Critical severity9.1OSV Advisory· Published Jan 22, 2026· Updated Jul 15, 2026
CVE-2026-20912
CVE-2026-20912
Description
Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/go-gitea/giteaGo | < 1.25.4 | 1.25.4 |
Affected products
6- osv-coords4 versionspkg:bitnami/giteapkg:golang/github.com/go-gitea/giteapkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0
< 1.25.4+ 3 more
- (no CPE)range: < 1.25.4
- (no CPE)range: < 1.25.4
- (no CPE)range: < 0.0.20260205T172317-150000.1.146.1
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
12- github.com/go-gitea/gitea/pull/36320nvdIssue TrackingPatchWEB
- github.com/go-gitea/gitea/pull/36355nvdIssue TrackingPatchWEB
- github.com/advisories/GHSA-4xx9-vc8v-87hvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-20912ghsaADVISORY
- blog.gitea.com/release-of-1.25.4ghsaWEB
- blog.gitea.com/release-of-1.25.4/nvdRelease Notes
- github.com/go-gitea/gitea/commit/fbea2c68e8df11cfa94e8ead913b79946780ed30ghsaWEB
- github.com/go-gitea/gitea/releases/tag/v1.25.4nvdRelease NotesWEB
- github.com/go-gitea/gitea/security/advisories/GHSA-vfmv-f93v-37mwnvdBroken Link
- access.redhat.com/security/cve/CVE-2026-20912nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20912.jsonnvd
News mentions
0No linked articles in our index yet.