CVE-2026-57886 json
Cross-repository issue/comment attachment re-linking can expose private attachment content
published 2026-07-21 3 mo ago modified 2026-08-26 2 mo ago also GHSA-6c6r-5xr4-cr5m , GO-2026-6035 , EUVD-2026-58147
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
Cross-repository issue/comment attachment re-linking can expose private attachment content
Patch / fix
- go code.gitea.io/gitea 1.27.0
- go gitea.dev 1.27.0
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
opensuse advisories openSUSE-SU-2026:21483-1
- github.com/go-gitea/gitea@de4b827 commit
- github.com/go-gitea/gitea@f69e15a commit
- github.com/go-gitea/gitea#38406 pull request
- github.com/go-gitea/gitea#38426 pull request
- github.com/go-gitea/gitea/releases/tag/v1.27.0 release
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N |
| GitHub | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | code.gitea.io/gitea | <1.27.0 |
1.27.0 |
| go | gitea.dev | <1.27.0 |
1.27.0 |
Affected products
- Gitea Gitea Open Source Git Server
Classification
References
-
github.com
/go-gitea/gitea/pull/38406
web
-
github.com
/go-gitea/gitea/pull/38426
web
-
github.com
/go-gitea/gitea/commit/de4b8277e9cb576f2315fb03b5ab6478b42a1d31
web
-
github.com
/go-gitea/gitea/commit/f69e15afe7496cc62e96dab244629c69eb31a7bf
web
-
github.com
/go-gitea/gitea/security/advisories/GHSA-6c6r-5xr4-cr5m
vendor-advisory, web, advisory
-
github.com
/go-gitea/gitea/releases/tag/v1.27.0
release-notes, web
-
blog.gitea.com
/gitea-1.27.0-is-released/
release-notes
-
github.com
/go-gitea/gitea
package
Sources
- CVE List CVE-2026-57886
- GitHub Advisory GHSA-6c6r-5xr4-cr5m
- NVD CVE-2026-57886
- OSV GO-2026-6035
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.