CVE-2021-29134 Path Traversal in Gitea
An attacker can read arbitrary files on the server via directory traversal in the avatar middleware of Gitea.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-29134?
CVE-2021-29134 is a medium-severity path traversal vulnerability in Gitea Gitea, published on 15 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The avatar middleware in Gitea before 1.13.6 allows Directory Traversal via a crafted URL.
Weakness: CWE-22
Which versions are affected by CVE-2021-29134?
4 open source packages ship an affected version, including code.gitea.io/gitea and gitea. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
code.gitea.io/gitea Go | All versions | 1.13.6 |
code.gitea.io/gitea Go | All versions | 1.13.6 |
code.gitea.io/gitea Go | All versions | 1.13.6 |
gitea Bitnami | All versions | 1.13.6 |
Products include Gitea Gitea.
How do I fix CVE-2021-29134?
Upgrade code.gitea.io/gitea to 1.13.6 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-29134 being exploited?
There is no known exploitation of CVE-2021-29134 in the wild and no public exploit code.
Other vulnerabilities in Gitea Gitea
Sources
Also known as BIT-gitea-2021-29134, CLEANSTART-2025-LJ89102, GHSA-h3q4-vmw4-cpr5, GO-2022-0353.