{"id":"CVE-2026-96399","title":"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","summary":"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 wh…","severity":"none","cwe":["CWE-125","CWE-248"],"vendor":"Gitea","product":"gitea.dev","affected":["gitea.dev <= 1.27.3"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T20:17:35.270","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-96399","references":[{"url":"https://blog.gitea.com/release-of-28.0.0/","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/pull/39354","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.0.0","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-mw6q-qj47-9g5q","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T20:16:42.494Z","slug":"CVE-2026-96399","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}