{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-96399", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-10-04T21:59:53.543Z", "datePublished": "2026-10-06T19:25:18.075Z", "dateUpdated": "2026-10-07T20:10:45.979Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-10-06T19:25:18.075Z" }, "title": "Gitea denial of service through external issue tracker patterns", "descriptions": [ { "lang": "en", "value": "A repository's external issue tracker regular expression containing alternating capture groups could produce invalid slice indexes when Gitea rendered issue references, causing a runtime panic that terminated the Gitea process. A user who can edit a repository's external issue tracker settings could make any later rendering of matching content, such as viewing a README, crash the instance for all users." } ], "affected": [ { "vendor": "Gitea", "product": "Gitea", "packageName": "gitea.dev", "defaultStatus": "unaffected", "versions": [ { "version": "0", "status": "affected", "lessThanOrEqual": "1.27.3", "versionType": "semver" } ] } ], "references": [ { "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-mw6q-qj47-9g5q", "name": "GitHub Security Advisory GHSA-mw6q-qj47-9g5q", "tags": [ "vendor-advisory" ] }, { "url": "https://github.com/go-gitea/gitea/pull/39354", "name": "Fix: go-gitea/gitea pull request #39354", "tags": [ "patch" ] }, { "url": "https://blog.gitea.com/release-of-28.0.0/", "name": "Gitea 28.0.0 release announcement", "tags": [ "release-notes" ] }, { "url": "https://github.com/go-gitea/gitea/releases/tag/v28.0.0", "name": "go-gitea/gitea v28.0.0 release", "tags": [ "release-notes" ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125: Out-of-bounds Read" }, { "lang": "en", "type": "CWE", "cweId": "CWE-248", "description": "CWE-248: Uncaught Exception" } ] } ], "credits": [ { "lang": "en", "value": "https://github.com/davue", "type": "reporter" }, { "lang": "en", "value": "https://github.com/breken-ai", "type": "remediation developer" }, { "lang": "en", "value": "https://github.com/wxiaoguang", "type": "remediation developer" } ] }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-07T20:10:08.050555Z", "id": "CVE-2026-96399", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2026-10-07T20:10:45.979Z" } } ] } }