{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73804", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-08-13T16:50:59.187Z", "datePublished": "2026-10-14T14:38:00.292Z", "dateUpdated": "2026-10-18T13:40:55.669Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-10-14T14:38:00.292Z"}, "title": "Gitea API token scope escalation through HTTP signatures", "descriptions": [{"lang": "en", "value": "Gitea allows a token with write:user scope to register an attacker-controlled SSH public key on the token owner's account. API requests signed with the corresponding private key authenticate as that account through HTTP Signature without API token scope information, causing route-level token scope checks to be skipped. This converts a user-scoped token into an unscoped API authentication method while retaining the account's normal role and repository permissions."}], "affected": [{"vendor": "Gitea", "product": "Gitea", "packageName": "gitea.dev", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.26.4", "versionType": "semver"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-q55v-4cmj-xh65", "name": "GitHub Security Advisory GHSA-q55v-4cmj-xh65", "tags": ["vendor-advisory"]}, {"url": "https://blog.gitea.com/release-of-1.27.2/", "name": "Gitea 1.27.2 release announcement", "tags": ["release-notes"]}, {"url": "https://github.com/go-gitea/gitea/pull/38862", "name": "Fix: go-gitea/gitea pull request #38862", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/pull/38895", "name": "Fix: go-gitea/gitea pull request #38895", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.2", "name": "go-gitea/gitea v1.27.2 release", "tags": ["release-notes"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-266", "description": "CWE-266: Incorrect Privilege Assignment"}, {"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "credits": [{"lang": "en", "value": "https://github.com/ohxorud-dev", "type": "reporter"}, {"lang": "en", "value": "https://github.com/bircni", "type": "coordinator"}, {"lang": "en", "value": "https://github.com/lunny", "type": "remediation reviewer"}, {"lang": "en", "value": "https://github.com/delvh", "type": "remediation reviewer"}, {"lang": "en", "value": "https://github.com/wxiaoguang", "type": "remediation developer"}, {"lang": "en", "value": "https://github.com/TheFox0x7", "type": "coordinator"}]}, "adp": [{"references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-q55v-4cmj-xh65", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-10-18T13:40:42.994142Z", "id": "CVE-2026-73804", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-18T13:40:55.669Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-73804", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-18T13:40:42.994142Z"}}}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-q55v-4cmj-xh65", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-18T13:40:37.311Z"}}], "cna": {"title": "Gitea API token scope escalation through HTTP signatures", "credits": [{"lang": "en", "type": "reporter", "value": "https://github.com/ohxorud-dev"}, {"lang": "en", "type": "coordinator", "value": "https://github.com/bircni"}, {"lang": "en", "type": "remediation reviewer", "value": "https://github.com/lunny"}, {"lang": "en", "type": "remediation reviewer", "value": "https://github.com/delvh"}, {"lang": "en", "type": "remediation developer", "value": "https://github.com/wxiaoguang"}, {"lang": "en", "type": "coordinator", "value": "https://github.com/TheFox0x7"}], "affected": [{"vendor": "Gitea", "product": "Gitea", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.26.4"}], "packageName": "gitea.dev", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-q55v-4cmj-xh65", "name": "GitHub Security Advisory GHSA-q55v-4cmj-xh65", "tags": ["vendor-advisory"]}, {"url": "https://blog.gitea.com/release-of-1.27.2/", "name": "Gitea 1.27.2 release announcement", "tags": ["release-notes"]}, {"url": "https://github.com/go-gitea/gitea/pull/38862", "name": "Fix: go-gitea/gitea pull request #38862", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/pull/38895", "name": "Fix: go-gitea/gitea pull request #38895", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.2", "name": "go-gitea/gitea v1.27.2 release", "tags": ["release-notes"]}], "descriptions": [{"lang": "en", "value": "Gitea allows a token with write:user scope to register an attacker-controlled SSH public key on the token owner's account. API requests signed with the corresponding private key authenticate as that account through HTTP Signature without API token scope information, causing route-level token scope checks to be skipped. This converts a user-scoped token into an unscoped API authentication method while retaining the account's normal role and repository permissions."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-266", "description": "CWE-266: Incorrect Privilege Assignment"}, {"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-10-14T14:38:00.292Z"}}}, "cveMetadata": {"cveId": "CVE-2026-73804", "state": "PUBLISHED", "dateUpdated": "2026-10-18T13:40:55.669Z", "dateReserved": "2026-08-13T16:50:59.187Z", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "datePublished": "2026-10-14T14:38:00.292Z", "assignerShortName": "Gitea"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "gitea.dev", "product": "Gitea", "vendor": "Gitea", "versions": [{"lessThanOrEqual": "1.26.4", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Gitea allows a token with write:user scope to register an attacker-controlled SSH public key on the token owner's account. API requests signed with the corresponding private key authenticate as that account through HTTP Signature without API token scope information, causing route-level token scope checks to be skipped. This converts a user-scoped token into an unscoped API authentication method while retaining the account's normal role and repository permissions."}], "id": "CVE-2026-73804", "lastModified": "2026-10-18T14:16:55.970", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73804", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-18T13:40:42.994142Z", "version": "2.0.3"}}]}, "published": "2026-10-14T15:17:24.777", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/release-of-1.27.2/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/38862"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/38895"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.2"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-q55v-4cmj-xh65"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-q55v-4cmj-xh65"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}, {"lang": "en", "value": "CWE-863"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.26.4]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Gitea", "source": "cna", "vendor": "Gitea"}, "product": "gitea", "vendor": "gitea"}], "created": "2026-10-15T01:30:06.933947+00:00", "updated": "2026-10-18T15:30:17.235873+00:00", "vendors": ["gitea", "gitea$PRODUCT$gitea"]}