{"id":"CVE-2026-107686","title":"Gitea reactions accepted on locked issues and comments","summary":"The Gitea web handlers for adding and removing reactions on issues and comments did not refuse locked issues for users without write access, although the API did. A signed-in user who could read an issue could therefore add or remove rea…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cvssSource":"adp","vendor":"Gitea","product":"gitea.dev","affected":["gitea.dev <= 28.1.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-19T20:15:54.397604Z"},"published":"2026-10-18","updated":"2026-10-19","sourceUpdated":"2026-10-19T20:15:58.164Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107686","references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-wx44-9m3m-rjqx","label":"GitHub Security Advisory GHSA-wx44-9m3m-rjqx"},{"url":"https://github.com/go-gitea/gitea/pull/39839","label":"Fix: go-gitea/gitea pull request #39839"},{"url":"https://github.com/go-gitea/gitea/pull/39847","label":"Fix backport to release/v28: go-gitea/gitea pull request #39847"},{"url":"https://blog.gitea.com/release-of-28.2.0/","label":"Gitea 28.2.0 release announcement"},{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.2.0","label":"go-gitea/gitea v28.2.0 release"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T19:51:12.338Z","epss":0.00237,"epssPercentile":0.1468,"slug":"CVE-2026-107686","body":"## Overview\n\nThe Gitea web handlers for adding and removing reactions on issues and comments did not refuse locked issues for users without write access, although the API did. A signed-in user who could read an issue could therefore add or remove reactions on a locked issue and its comments, bypassing the interaction restriction of the lock. Only reactions were affected; no content could be changed.\n\n## Affected\n\n- `gitea.dev <= 28.1.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225210,"id":"CVE-2026-107686","ts":1792442552778,"field":"cvss","old":null,"new":"4.3"},{"seq":225209,"id":"CVE-2026-107686","ts":1792442552778,"field":"severity","old":"none","new":"medium"}]}