Improper Access Control in Gitea

Description

References

• nvd.nist.gov/vuln/detail/CVE-2020-28991 · ADVISORY
• go-gitea/gitea#13525 · WEB
• go-gitea/gitea · PACKAGE
• go-gitea/gitea release v1.12.6 · WEB

More vulnerabilities in github.com/go-gitea/gitea

• CVE-2026-25779MEDIUM 6.1Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values.
• CVE-2026-20912CRITICAL 9.1Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository c…
• CVE-2026-20904MEDIUM 6.5Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility s…
• CVE-2026-20897CRITICAL 9.1Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to…
• CVE-2026-20888MEDIUM 4.3Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull req…