CVE-2026-70396: Auth Bypass

Description

Gitea's organization repository-creation API requires write:organization but omits the write:repository token scope enforced by other repository-creation routes. A personal access token or OAuth application token without repository-write scope can therefore create organization-owned repositories if the authorizing user has permission to do so. This bypasses the token's delegated scope boundary while remaining subject to the user's organization permissions.

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Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

https://blog.gitea.com/release-of-1.27.3/ https://github.com/go-gitea/gitea/pull/39007 https://github.com/go-gitea/gitea/pull/39014 https://github.com/go-gitea/gitea/releases/tag/v1.27.3 https://github.com/go-gitea/gitea/security/advisories/GHSA-hxhc-246f-rvqc

Frequently Asked Questions

What is CVE-2026-70396? +

Gitea's organization repository-creation API requires write:organization but omits the write:repository token scope enforced by other repository-creation routes. A personal access token or OAuth application token without repository-write scope can therefore create organization-owned repositories if the authorizing user has permission to do so. This bypasses the token's delegated scope boundary while remaining subject to the user's organization permissions.

How do I check if I'm vulnerable to CVE-2026-70396? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-70396