Vulnerability DatabaseCVE-2026-57886
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CVE-2026-57886
Published:August 13, 2026
Updated:September 01, 2026
Cross-repository issue/comment attachment re-linking can expose private attachment content
Affected Packages
https://github.com/go-gitea/gitea.git (GITHUB):
Affected version(s) >=v0.9.99 <v1.27.0
Fix Suggestion:
Update to version v1.27.0
gitea.dev (GO):
Affected version(s) >=v0.9.99 <v1.27.0
Fix Suggestion:
Update to version v1.27.0
code.gitea.io/gitea (GO):
Affected version(s) >=v0.0.0-20150810145912-2aea247208d4 <v1.27.0
Fix Suggestion:
Update to version v1.27.0
Related Resources (10)
https://github.com/go-gitea/gitea/commit/f69e15afe7496cc62e96dab244629c69eb31a7bf
https://blog.gitea.com/gitea-1.27.0-is-released/
https://nvd.nist.gov/vuln/detail/CVE-2026-57886
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57886.json
https://github.com/go-gitea/gitea/commit/de4b8277e9cb576f2315fb03b5ab6478b42a1d31
https://github.com/go-gitea/gitea/security/advisories/GHSA-6c6r-5xr4-cr5m
https://github.com/go-gitea/gitea/pull/38426
https://github.com/go-gitea/gitea/pull/38406
https://github.com/go-gitea/gitea/releases/tag/v1.27.0
https://github.com/go-gitea/gitea
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CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
CWE-639
Missing Authorization
CWE-862
EPSS
Base Score:
0.25