{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-118687", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-28T17:31:29.498Z", "datePublished": "2026-10-28T18:59:56.265Z", "dateUpdated": "2026-10-29T20:54:16.473Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-28T18:59:56.265Z"}, "datePublic": "2026-10-13T00:00:00.000Z", "title": "Coder before 2.29.21, 2.34.12, 2.35.9, 2.36.7, and 2.37.4 Missing Audience Validation in GCP Instance-Identity Authentication", "descriptions": [{"lang": "en", "value": "Coder before 2.29.21, 2.30.0 before 2.34.12, 2.35.0 before 2.35.9, 2.36.0 before 2.36.7, and 2.37.0 before 2.37.4 does not validate the audience claim of GCE instance-identity JWTs at the POST /api/v2/workspaceagents/google-instance-identity endpoint. Attackers who obtain an unexpired format=full identity token minted for another relying party can replay it to obtain that workspace agent's session token, which remains valid until the workspace's next build."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Unintended Proxy or Intermediary ('Confused Deputy')", "cweId": "CWE-441", "type": "CWE"}]}], "affected": [{"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "2.37.0", "status": "affected", "versionType": "semver", "lessThan": "2.37.4"}, {"version": "2.37.4", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "2.36.0", "status": "affected", "versionType": "semver", "lessThan": "2.36.7"}, {"version": "2.36.7", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "2.35.0", "status": "affected", "versionType": "semver", "lessThan": "2.35.9"}, {"version": "2.35.9", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "2.30.0", "status": "affected", "versionType": "semver", "lessThan": "2.34.12"}, {"version": "2.34.12", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.29.21"}, {"version": "2.29.21", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.37.0", "versionEndExcluding": "2.37.4"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.36.0", "versionEndExcluding": "2.36.7"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.35.0", "versionEndExcluding": "2.35.9"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.30.0", "versionEndExcluding": "2.34.12"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.29.21"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.3, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/coder/coder/security/advisories/GHSA-24vh-q7rg-243w", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-24vh-q7rg-243w)"}, {"name": "VulnCheck Advisory: Coder before 2.29.21, 2.34.12, 2.35.9, 2.36.7, and 2.37.4 Missing Audience Validation in GCP Instance-Identity Authentication", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/coder-before-2.29.21-2.34.12-2.35.9-2.36.7-and-2.37.4-missing-audience-validation-in-gcp-instance-identity-authentication"}], "credits": [{"lang": "en", "value": "matte1782", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-29T15:28:59.226439Z", "id": "CVE-2026-118687", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T20:54:16.473Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-118687", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-29T15:28:59.226439Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T15:29:03.901Z"}}], "cna": {"title": "Coder before 2.29.21, 2.34.12, 2.35.9, 2.36.7, and 2.37.4 Missing Audience Validation in GCP Instance-Identity Authentication", "credits": [{"lang": "en", "type": "reporter", "value": "matte1782"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "2.37.0", "lessThan": "2.37.4", "versionType": "semver"}, {"status": "unaffected", "version": "2.37.4", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}, {"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "2.36.0", "lessThan": "2.36.7", "versionType": "semver"}, {"status": "unaffected", "version": "2.36.7", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}, {"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "2.35.0", "lessThan": "2.35.9", "versionType": "semver"}, {"status": "unaffected", "version": "2.35.9", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}, {"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "2.30.0", "lessThan": "2.34.12", "versionType": "semver"}, {"status": "unaffected", "version": "2.34.12", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}, {"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "0", "lessThan": "2.29.21", "versionType": "semver"}, {"status": "unaffected", "version": "2.29.21", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}], "datePublic": "2026-10-13T00:00:00.000Z", "references": [{"url": "https://github.com/coder/coder/security/advisories/GHSA-24vh-q7rg-243w", "name": "GitHub Security Advisory (GHSA-24vh-q7rg-243w)", "tags": ["vendor-advisory"]}, {"url": "https://www.vulncheck.com/advisories/coder-before-2.29.21-2.34.12-2.35.9-2.36.7-and-2.37.4-missing-audience-validation-in-gcp-instance-identity-authentication", "name": "VulnCheck Advisory: Coder before 2.29.21, 2.34.12, 2.35.9, 2.36.7, and 2.37.4 Missing Audience Validation in GCP Instance-Identity Authentication", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "Coder before 2.29.21, 2.30.0 before 2.34.12, 2.35.0 before 2.35.9, 2.36.0 before 2.36.7, and 2.37.0 before 2.37.4 does not validate the audience claim of GCE instance-identity JWTs at the POST /api/v2/workspaceagents/google-instance-identity endpoint. Attackers who obtain an unexpired format=full identity token minted for another relying party can replay it to obtain that workspace agent's session token, which remains valid until the workspace's next build."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-441", "description": "Unintended Proxy or Intermediary ('Confused Deputy')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.37.4", "versionStartIncluding": "2.37.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.36.7", "versionStartIncluding": "2.36.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.35.9", "versionStartIncluding": "2.35.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.34.12", "versionStartIncluding": "2.30.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.29.21"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-28T18:59:56.265Z"}}}, "cveMetadata": {"cveId": "CVE-2026-118687", "state": "PUBLISHED", "dateUpdated": "2026-10-29T20:54:16.473Z", "dateReserved": "2026-10-28T17:31:29.498Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-10-28T18:59:56.265Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.37.4", "status": "affected", "version": "2.37.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.37.4", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.36.7", "status": "affected", "version": "2.36.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.36.7", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.35.9", "status": "affected", "version": "2.35.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.35.9", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.34.12", "status": "affected", "version": "2.30.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.34.12", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.29.21", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "2.29.21", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Coder before 2.29.21, 2.30.0 before 2.34.12, 2.35.0 before 2.35.9, 2.36.0 before 2.36.7, and 2.37.0 before 2.37.4 does not validate the audience claim of GCE instance-identity JWTs at the POST /api/v2/workspaceagents/google-instance-identity endpoint. Attackers who obtain an unexpired format=full identity token minted for another relying party can replay it to obtain that workspace agent's session token, which remains valid until the workspace's next build."}], "id": "CVE-2026-118687", "lastModified": "2026-10-29T21:17:16.610", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.2, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-118687", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-29T15:28:59.226439Z", "version": "2.0.3"}}]}, "published": "2026-10-28T19:17:35.807", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/coder/coder/security/advisories/GHSA-24vh-q7rg-243w"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/coder-before-2.29.21-2.34.12-2.35.9-2.36.7-and-2.37.4-missing-audience-validation-in-gcp-instance-identity-authentication"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-441"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.37.0,2.37.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.37.4"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "coder", "source": "cna", "vendor": "coder"}, "product": "coder", "vendor": "coder"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.36.0,2.36.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.36.7"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "coder", "source": "cna", "vendor": "coder"}, "product": "coder", "vendor": "coder"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.35.0,2.35.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.35.9"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "coder", "source": "cna", "vendor": "coder"}, "product": "coder", "vendor": "coder"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.30.0,2.34.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.34.12"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "coder", "source": "cna", "vendor": "coder"}, "product": "coder", "vendor": "coder"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.29.21)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.29.21"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "coder", "source": "cna", "vendor": "coder"}, "product": "coder", "vendor": "coder"}], "created": "2026-10-28T22:30:12.257107+00:00", "updated": "2026-10-29T01:15:14.754483+00:00", "vendors": ["coder", "coder$PRODUCT$coder"]}