CVE-2026-105268
Gitea issue attachment API allows changing comment attachments
The Gitea API routes for issue attachments (/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Gitea issue attachment API allows changing comment attachments
The Gitea API routes for issue attachments (/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.
- Record
CVE-2026-105268- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-639, CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2026-94064
The Gitea API routes for issue attachments (/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.
- Record
EUVD-2026-94064- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
NVD
The Gitea API routes for issue attachments (/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.
- Record
CVE-2026-105268- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-639, CWE-863
- Updated
- 2026-11-02
OSV
Gitea issue attachment API allows changing comment attachments
The Gitea API routes for issue attachments (/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.
- Record
CVE-2026-105268- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-639, CWE-863
- Updated
- 2026-11-02
OSVBIT-gitea-2026-105268 No score
Gitea issue attachment API allows changing comment attachments
The Gitea API routes for issue attachments (/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.
- Record
BIT-gitea-2026-105268- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
giteaBitnami |
before 28.1.0 | 28.1.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-105268 is a medium vulnerability (CVSS 4.3) in Gitea, published October 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. Fixed in gitea 28.1.0.
References
github.com/go-gitea/gitea/security/advisories/GHSA-96qg-qxxj-r8xq
blog.gitea.com/release-of-28.1.0
nvd.nist.gov/vuln/detail/CVE-2026-105268