CVE-2026-52797 Gogs: Overwriting critical files results in a denial of service
An authorized user can overwrite critical files via path traversal in git diff commands, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-52797?
CVE-2026-52797 is a high-severity path traversal vulnerability in gogs, published on 24 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Gogs is an open source self-hosted Git service. Prior to 0.14.0, as an authorized user, an intruder can dictate the value which is passed to the git diff command which, together with bypassing the filtering of the passed value, allows the user to bypass the target directory and write the result of the comparison to any arbitrary path. This vulnerability is fixed in 0.14.0.
Weakness: CWE-22
Which versions are affected by CVE-2026-52797?
3 open source packages ship an affected version, including gogs.io/gogs.
| Package | Affected | Fixed in |
|---|---|---|
gogs.io/gogs Go | All versions | None |
gogs.io/gogs Go | All versions | 0.14.0 |
gogs.io/gogs Go | All versions | 0.14.0 |
How do I fix CVE-2026-52797?
Upgrade gogs.io/gogs to 0.14.0 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-52797 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52797 exists.
Sources
Also known as GHSA-pm6v-2h4w-4rp2, GO-2026-5545.