{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108259", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-09T17:33:15.409Z", "datePublished": "2026-10-09T20:36:41.777Z", "dateUpdated": "2026-10-09T20:37:19.094Z"}, "containers": {"cna": {"title": "Tina: Code injection via unescaped Git branch name in generated client source", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/tinacms/tinacms/security/advisories/GHSA-pwhx-cvv3-qj5c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/tinacms/tinacms/security/advisories/GHSA-pwhx-cvv3-qj5c"}, {"name": "https://github.com/tinacms/tinacms/pull/7526", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinacms/tinacms/pull/7526"}, {"name": "https://github.com/tinacms/tinacms/commit/d030d414d39e15de79bf36e4c728d57205e71dde", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinacms/tinacms/commit/d030d414d39e15de79bf36e4c728d57205e71dde"}, {"name": "https://github.com/tinacms/tinacms/releases/tag/@tinacms/cli@3.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinacms/tinacms/releases/tag/@tinacms/cli@3.0.0"}], "affected": [{"vendor": "tinacms", "product": "tinacms", "versions": [{"version": "< 3.0.0", "status": "affected"}]}, {"vendor": "@tinacms", "product": "cli", "versions": [{"version": "< 3.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-09T20:37:19.094Z"}, "descriptions": [{"lang": "en", "value": "Tina is a headless content management system. Prior to 3.0.0, @tinacms/cli reads Git branch values from VERCEL_GIT_COMMIT_REF, GITHUB_BRANCH, or HEAD, incorporates the raw value into the API URL, and interpolates that URL into JavaScript string literals in packages/@tinacms/cli/src/next/codegen/index.ts and packages/@tinacms/cli/src/next/codegen/codegen/plugin.ts. A crafted Git-valid branch name containing a quote can terminate the generated string and inject an expression that executes when the generated client module is imported during a preview build. The injected code runs with the build process privileges and can read environment credentials, modify deployment artifacts, or make network requests. This issue is fixed in version 3.0.0."}], "source": {"advisory": "GHSA-pwhx-cvv3-qj5c", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "tinacms", "vendor": "tinacms", "versions": [{"status": "affected", "version": "< 3.0.0"}]}, {"product": "cli", "vendor": "@tinacms", "versions": [{"status": "affected", "version": "< 3.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tina is a headless content management system. Prior to 3.0.0, @tinacms/cli reads Git branch values from VERCEL_GIT_COMMIT_REF, GITHUB_BRANCH, or HEAD, incorporates the raw value into the API URL, and interpolates that URL into JavaScript string literals in packages/@tinacms/cli/src/next/codegen/index.ts and packages/@tinacms/cli/src/next/codegen/codegen/plugin.ts. A crafted Git-valid branch name containing a quote can terminate the generated string and inject an expression that executes when the generated client module is imported during a preview build. The injected code runs with the build process privileges and can read environment credentials, modify deployment artifacts, or make network requests. This issue is fixed in version 3.0.0."}], "id": "CVE-2026-108259", "lastModified": "2026-10-09T21:17:04.017", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-09T21:17:04.017", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/tinacms/tinacms/commit/d030d414d39e15de79bf36e4c728d57205e71dde"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinacms/tinacms/pull/7526"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinacms/tinacms/releases/tag/@tinacms/cli@3.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinacms/tinacms/security/advisories/GHSA-pwhx-cvv3-qj5c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}