CVE-2026-26276
March 05, 2026
Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository’s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.
Affected Packages
https://github.com/gogs/gogs.git (GITHUB):
Affected version(s) >=v0.2.0 <v0.13.4Fix Suggestion:
Update to version v0.13.4https://github.com/gogs/gogs.git (GITHUB):
Affected version(s) >=v0.14.0 <v0.14.2Fix Suggestion:
Update to version v0.14.2github.com/gogs/gogs (GO):
Affected version(s) >=v0.14.0 <v0.14.2Fix Suggestion:
Update to version v0.14.2gogs.io/gogs (GO):
Affected version(s) >=v0.2.0 <v0.13.4Fix Suggestion:
Update to version v0.13.4github.com/gogs/gogs (GO):
Affected version(s) >=v0.2.0 <v0.13.4Fix Suggestion:
Update to version v0.13.4Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.03