CVE-2020-13246 Denial of Service in Gitea

What is CVE-2020-13246?

CVE-2020-13246 is a high-severity denial of service vulnerability in Gitea Gitea, published on 20 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Gitea through 1.11.5. An attacker can trigger a deadlock by initiating a transfer of a repository's ownership from one organization to another.

Weakness: CWE-667

Which versions are affected by CVE-2020-13246?

4 open source packages ship an affected version, including github.com/go-gitea/gitea, gitea and code.gitea.io/gitea. It affects 1 product.

Products include Gitea Gitea.

How do I fix CVE-2020-13246?

Upgrade github.com/go-gitea/gitea to 1.12.0 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-13246 being exploited?

There is no known exploitation of CVE-2020-13246 in the wild and no public exploit code.

Other vulnerabilities in Gitea Gitea

• CVE-2026-60004 Gitea Code Injection Exploited Critical 9.8
• CVE-2026-73278 Gitea WebAuthn bypass during OAuth and OIDC sign-in Critical 9.8
• CVE-2026-94205 Gitea fork workflow approval bypass through maintainer-triggered events Critical 9.8
• CVE-2022-42968 Gitea vulnerable to Argument Injection Critical 9.8
• CVE-2021-45330 Improper Privilege Management in Gitea Critical 9.8

All Gitea Gitea vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-gitea-2020-13246, GHSA-g2qx-6ghw-67hm, GO-2022-0830.