{"id":"CVE-2026-110494","state":"PUBLISHED","title":"Gitea release attachment re-linking of issue attachments","description":"Adding attachments to a release checked the repository and release of an attachment but not whether it was already linked to an issue or comment. A user with write access to the releases of a repository, who knew the UUID of an attachment in that repository, could link it to a release. This exposed the file name, size and download count of the attachment through the release and allowed the user to rename or delete it.","publishedAt":"2026-10-18T18:57:26.290Z","updatedAt":"2026-10-19T20:20:57.542Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","source":"CISA-ADP"},"assigner":"Gitea","products":["Gitea Gitea"],"affected":[{"vendor":"Gitea","product":"Gitea","packageName":"gitea.dev","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"28.1.0","versionType":"semver"}]}],"references":["https://github.com/go-gitea/gitea/security/advisories/GHSA-cwq7-782w-pxcc","https://github.com/go-gitea/gitea/pull/39839","https://github.com/go-gitea/gitea/pull/39847","https://blog.gitea.com/release-of-28.2.0/","https://github.com/go-gitea/gitea/releases/tag/v28.2.0"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/110xxx/CVE-2026-110494.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110494","state":"PUBLISHED","datePublished":"2026-10-18T18:57:26.290Z","dateUpdated":"2026-10-19T20:20:57.542Z","assignerShortName":"Gitea","assignerOrgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateReserved":"2026-10-14T20:08:45.845Z"},"containers":{"cna":{"title":"Gitea release attachment re-linking of issue attachments","descriptions":[{"lang":"en","value":"Adding attachments to a release checked the repository and release of an attachment but not whether it was already linked to an issue or comment. A user with write access to the releases of a repository, who knew the UUID of an attachment in that repository, could link it to a release. This exposed the file name, size and download count of the attachment through the release and allowed the user to rename or delete it."}],"affected":[{"vendor":"Gitea","product":"Gitea","packageName":"gitea.dev","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"28.1.0","versionType":"semver"}]}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-cwq7-782w-pxcc","name":"GitHub Security Advisory GHSA-cwq7-782w-pxcc","tags":["vendor-advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/39839","name":"Fix: go-gitea/gitea pull request #39839","tags":["patch"]},{"url":"https://github.com/go-gitea/gitea/pull/39847","name":"Fix backport to release/v28: go-gitea/gitea pull request #39847","tags":["patch"]},{"url":"https://blog.gitea.com/release-of-28.2.0/","name":"Gitea 28.2.0 release announcement","tags":["release-notes"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.2.0","name":"go-gitea/gitea v28.2.0 release","tags":["release-notes"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","type":"CWE","description":"CWE-639: Authorization Bypass Through User-Controlled Key"}]}],"providerMetadata":{"shortName":"Gitea","orgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","dateUpdated":"2026-10-18T18:57:26.290Z"},"credits":[{"lang":"en","value":"https://github.com/manus-pi","type":"reporter"},{"lang":"en","value":"https://github.com/silverwind","type":"remediation developer"},{"lang":"en","value":"https://github.com/wxiaoguang","type":"remediation developer"},{"lang":"en","value":"https://github.com/bircni","type":"remediation developer"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T20:20:54.281465Z","id":"CVE-2026-110494","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T20:20:57.542Z"}}]}}}