CVE-2026-27761

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27761", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-03-03T03:26:00.375Z", "datePublished": "2026-07-03T20:19:36.576Z", "dateUpdated": "2026-07-07T16:58:51.949Z"}, "containers": {"cna": {"title": "Gitea repository feeds bypass API token scope enforcement", "descriptions": [{"lang": "en", "value": "Gitea versions up to and including 1.26.2 allow repository RSS and Atom feed endpoints to bypass API access token scope checks, exposing private repository commit data to tokens without the required repository scope."}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"version": "0", "lessThanOrEqual": "1.26.2", "status": "affected", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "description": "CWE-863", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-3pww-vcvm-3gmj", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/pull/38147", "name": "GitHub Pull Request #38147", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.3", "name": "Gitea v1.26.3 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/release-of-1.26.3-and-1.26.4/", "name": "Gitea v1.26.4 Release Blog Post", "tags": ["release-notes"]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-07-03T20:19:36.576Z"}, "credits": [{"lang": "en", "value": "babakizo420", "type": "reporter"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-3pww-vcvm-3gmj", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-07T14:36:41.805084Z", "id": "CVE-2026-27761", "options": [{"Exploitation": "poc"}, {"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": "2026-07-07T16:58:51.949Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-27761", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-07T14:36:41.805084Z"}}}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-3pww-vcvm-3gmj", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-07T14:38:04.145Z"}}], "cna": {"title": "Gitea repository feeds bypass API token scope enforcement", "credits": [{"lang": "en", "type": "reporter", "value": "babakizo420"}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.26.2"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-3pww-vcvm-3gmj", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/pull/38147", "name": "GitHub Pull Request #38147", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.3", "name": "Gitea v1.26.3 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/release-of-1.26.3-and-1.26.4/", "name": "Gitea v1.26.4 Release Blog Post", "tags": ["release-notes"]}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "Gitea versions up to and including 1.26.2 allow repository RSS and Atom feed endpoints to bypass API access token scope checks, exposing private repository commit data to tokens without the required repository scope."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863"}]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-07-03T20:19:36.576Z"}}}, "cveMetadata": {"cveId": "CVE-2026-27761", "state": "PUBLISHED", "dateUpdated": "2026-07-07T16:58:51.949Z", "dateReserved": "2026-03-03T03:26:00.375Z", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "datePublished": "2026-07-03T20:19:36.576Z", "assignerShortName": "Gitea"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Gitea Open Source Git Server", "vendor": "Gitea", "versions": [{"lessThanOrEqual": "1.26.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Gitea versions up to and including 1.26.2 allow repository RSS and Atom feed endpoints to bypass API access token scope checks, exposing private repository commit data to tokens without the required repository scope."}, {"lang": "es", "value": "Las versiones de Gitea hasta la 1.26.2 inclusive permiten que los puntos finales de los feeds RSS y Atom del repositorio omitan las comprobaciones de alcance de los tokens de acceso de la API, exponiendo datos de commits de repositorios privados a tokens sin el alcance de repositorio requerido."}], "id": "CVE-2026-27761", "lastModified": "2026-10-25T15:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27761", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-07T14:36:41.805084Z", "version": "2.0.3"}}]}, "published": "2026-07-03T21:16:58.937", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/release-of-1.26.3-and-1.26.4/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/38147"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.3"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-3pww-vcvm-3gmj"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-3pww-vcvm-3gmj"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.26.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Gitea Open Source Git Server", "source": "cna", "vendor": "Gitea"}, "product": "gitea_open_source_git_server", "vendor": "gitea"}], "created": "2026-07-04T00:45:03.645145+00:00", "updated": "2026-08-01T20:30:12.085210+00:00", "vendors": ["gitea", "gitea$PRODUCT$gitea_open_source_git_server"]}