CVE-2021-45328 Open redirect in Gitea

What is CVE-2021-45328?

CVE-2021-45328 is a medium-severity vulnerability in Gitea Gitea, published on 8 Feb 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Gitea before 1.4.3 is affected by URL Redirection to Untrusted Site ('Open Redirect') via internal URLs.

Weakness: CWE-601

Which versions are affected by CVE-2021-45328?

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

Products include Gitea Gitea.

How do I fix CVE-2021-45328?

Upgrade github.com/go-gitea/gitea to 1.4.3 or later.

Is CVE-2021-45328 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-45328 exists.

Public exploit code: 1 Nuclei template.

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-2021-45328, GHSA-36h2-95gj-w488, GO-2022-0579, UBUNTU-CVE-2021-45328.