{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121881", "assignerOrgId": "8c484e69-127d-402b-9cdb-5f86ef43eb86", "state": "PUBLISHED", "assignerShortName": "POSIT", "dateReserved": "2026-11-04T10:49:23.575Z", "datePublished": "2026-11-06T15:10:17.246Z", "dateUpdated": "2026-11-06T15:13:00.535Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8c484e69-127d-402b-9cdb-5f86ef43eb86", "shortName": "POSIT", "dateUpdated": "2026-11-06T15:13:00.535Z"}, "title": "Posit Workbench code-server session-state RPC (get_last_seen) SQL injection", "datePublic": "2026-11-04T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-89", "description": "CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-66", "descriptions": [{"lang": "en", "value": "CAPEC-66 SQL Injection"}]}], "affected": [{"vendor": "Posit Software, PBC", "product": "Posit Workbench", "platforms": ["Linux"], "collectionURL": "https://posit.co/download/rstudio-server-pro/", "modules": ["code-server session-state RPC (get_last_seen)"], "versions": [{"status": "affected", "version": "0", "lessThan": "2026.08.0", "versionType": "custom"}], "defaultStatus": "unaffected", "cpes": ["cpe:2.3:a:posit:workbench:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "SQL injection vulnerability in the get_last_seen code-server session-state RPC in Posit Software, PBC Posit Workbench before 2026.08.0 allows authenticated users to read arbitrary data from the Workbench database via the sessionIds parameter.\n\n\n\nNOTE: exploitation requires a valid authenticated session; no administrative privileges are needed. The vulnerability is limited to disclosure of database contents.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>SQL injection vulnerability in the <code>get_last_seen</code> code-server session-state RPC in Posit Software, PBC Posit Workbench before 2026.08.0 allows authenticated users to read arbitrary data from the Workbench database via the <code>sessionIds</code> parameter.</p><p>NOTE: exploitation requires a valid authenticated session; no administrative privileges are needed. The vulnerability is limited to disclosure of database contents.</p>"}]}], "references": [{"url": "https://docs.posit.co/ide/news/#rstudio-2026.08.0", "name": "Posit Workbench release notes", "tags": ["release-notes", "vendor-advisory"]}, {"url": "https://trust.posit.co/updates", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "YES", "Recovery": "AUTOMATIC", "valueDensity": "CONCENTRATED", "vulnerabilityResponseEffort": "MODERATE", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/AU:Y/R:A/V:C/RE:M/U:Amber"}}], "configurations": [{"lang": "en", "value": "Affects Posit Workbench deployments with the code-server (VS Code / Positron) session-state feature enabled, reachable over HTTP by any authenticated user.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Affects Posit Workbench deployments with the code-server (VS Code / Positron) session-state feature enabled, reachable over HTTP by any authenticated user.</p>"}]}], "solutions": [{"lang": "en", "value": "Upgrade to Posit Workbench 2026.08.0 or later. The patched release binds the caller-supplied session identifiers as query parameters instead of concatenating them into the SQL statement.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Upgrade to Posit Workbench 2026.08.0 or later. The patched release binds the caller-supplied session identifiers as query parameters instead of concatenating them into the SQL statement.</p>"}]}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://posit.co/download/rstudio-server-pro/", "cpes": ["cpe:2.3:a:posit:workbench:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["code-server session-state RPC (get_last_seen)"], "platforms": ["Linux"], "product": "Posit Workbench", "vendor": "Posit Software, PBC", "versions": [{"lessThan": "2026.08.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "8c484e69-127d-402b-9cdb-5f86ef43eb86"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SQL injection vulnerability in the get_last_seen code-server session-state RPC in Posit Software, PBC Posit Workbench before 2026.08.0 allows authenticated users to read arbitrary data from the Workbench database via the sessionIds parameter.\n\n\n\nNOTE: exploitation requires a valid authenticated session; no administrative privileges are needed. The vulnerability is limited to disclosure of database contents."}], "id": "CVE-2026-121881", "lastModified": "2026-11-06T16:17:53.160", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "LOW", "providerUrgency": "AMBER", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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:Y/R:A/V:C/RE:M/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "8c484e69-127d-402b-9cdb-5f86ef43eb86", "type": "Secondary"}]}, "published": "2026-11-06T16:17:53.160", "references": [{"source": "8c484e69-127d-402b-9cdb-5f86ef43eb86", "url": "https://docs.posit.co/ide/news/#rstudio-2026.08.0"}, {"source": "8c484e69-127d-402b-9cdb-5f86ef43eb86", "url": "https://trust.posit.co/updates"}], "sourceIdentifier": "8c484e69-127d-402b-9cdb-5f86ef43eb86", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "8c484e69-127d-402b-9cdb-5f86ef43eb86", "type": "Secondary"}]}

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