CVE-2021-45327 Capture-replay in Gitea

What is CVE-2021-45327?

CVE-2021-45327 is a critical missing authorization vulnerability in Gitea Gitea, published on 8 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Gitea before 1.11.2 is affected by Trusting HTTP Permission Methods on the Server Side when referencing the vulnerable admin or user API. which could let a remote malisious user execute arbitrary code.

Weakness: CWE-436

Which versions are affected by CVE-2021-45327?

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-2021-45327?

Upgrade github.com/go-gitea/gitea to 1.11.2 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-45327 being exploited?

There is no known exploitation of CVE-2021-45327 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-2021-45327, CLEANSTART-2025-DO86030, GHSA-jrpg-35hw-m4p9, GO-2022-0310, UBUNTU-CVE-2021-45327.