{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-70406", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-08-13T16:50:58.706Z", "datePublished": "2026-10-14T14:36:53.729Z", "dateUpdated": "2026-10-14T15:03:17.796Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-10-14T14:36:53.729Z"}, "title": "Gitea private comparison disclosure with public-only tokens", "descriptions": [{"lang": "en", "value": "Gitea's shared comparison helper omits the token repository-access check used when updating pull requests. A public-only token with read:repository scope can route a comparison or pull request creation through a public base repository and retrieve commit history and diffs from a private head repository accessible to the token owner. This bypasses the token's public-only restriction; it does not remove the account's underlying repository permission checks."}], "affected": [{"vendor": "Gitea", "product": "Gitea", "packageName": "code.gitea.io/gitea", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.27.2", "versionType": "semver"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-m78w-jjjx-gp8r", "name": "GitHub Security Advisory GHSA-m78w-jjjx-gp8r", "tags": ["vendor-advisory"]}, {"url": "https://blog.gitea.com/release-of-1.27.3/", "name": "Gitea 1.27.3 release announcement", "tags": ["release-notes"]}, {"url": "https://github.com/go-gitea/gitea/pull/39006", "name": "Fix: go-gitea/gitea pull request #39006", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/pull/39013", "name": "Fix: go-gitea/gitea pull request #39013", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.3", "name": "go-gitea/gitea v1.27.3 release", "tags": ["release-notes"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "credits": [{"lang": "en", "value": "https://github.com/qw3rtyou", "type": "reporter"}, {"lang": "en", "value": "https://github.com/bircni", "type": "remediation developer"}, {"lang": "en", "value": "https://github.com/ohxorud-dev", "type": "reporter"}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-70406", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-14T14:54:29.357945Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T15:03:17.796Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-70406", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-14T14:54:29.357945Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T14:54:26.235Z"}}], "cna": {"title": "Gitea private comparison disclosure with public-only tokens", "credits": [{"lang": "en", "type": "reporter", "value": "https://github.com/qw3rtyou"}, {"lang": "en", "type": "remediation developer", "value": "https://github.com/bircni"}, {"lang": "en", "type": "reporter", "value": "https://github.com/ohxorud-dev"}], "affected": [{"vendor": "Gitea", "product": "Gitea", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.27.2"}], "packageName": "code.gitea.io/gitea", "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-m78w-jjjx-gp8r", "name": "GitHub Security Advisory GHSA-m78w-jjjx-gp8r", "tags": ["vendor-advisory"]}, {"url": "https://blog.gitea.com/release-of-1.27.3/", "name": "Gitea 1.27.3 release announcement", "tags": ["release-notes"]}, {"url": "https://github.com/go-gitea/gitea/pull/39006", "name": "Fix: go-gitea/gitea pull request #39006", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/pull/39013", "name": "Fix: go-gitea/gitea pull request #39013", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.3", "name": "go-gitea/gitea v1.27.3 release", "tags": ["release-notes"]}], "descriptions": [{"lang": "en", "value": "Gitea's shared comparison helper omits the token repository-access check used when updating pull requests. A public-only token with read:repository scope can route a comparison or pull request creation through a public base repository and retrieve commit history and diffs from a private head repository accessible to the token owner. This bypasses the token's public-only restriction; it does not remove the account's underlying repository permission checks."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-10-14T14:36:53.729Z"}}}, "cveMetadata": {"cveId": "CVE-2026-70406", "state": "PUBLISHED", "dateUpdated": "2026-10-14T15:03:17.796Z", "dateReserved": "2026-08-13T16:50:58.706Z", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "datePublished": "2026-10-14T14:36:53.729Z", "assignerShortName": "Gitea"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "code.gitea.io/gitea", "product": "Gitea", "vendor": "Gitea", "versions": [{"lessThanOrEqual": "1.27.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Gitea's shared comparison helper omits the token repository-access check used when updating pull requests. A public-only token with read:repository scope can route a comparison or pull request creation through a public base repository and retrieve commit history and diffs from a private head repository accessible to the token owner. This bypasses the token's public-only restriction; it does not remove the account's underlying repository permission checks."}], "id": "CVE-2026-70406", "lastModified": "2026-10-14T16:17:52.077", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-70406", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-14T14:54:29.357945Z", "version": "2.0.3"}}]}, "published": "2026-10-14T15:17:22.570", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/release-of-1.27.3/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/39006"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/39013"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.3"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-m78w-jjjx-gp8r"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}

{}