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Vulnerability record · CVE-2026-26276 · published 5 March 2026

CVE-2026-26276: Gogs cross-site scripting vulnerability

Gogs · Gogs

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.

5.4 CVSS 3.1 Medium EPSS 0.33% · top 75.7% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/gogs/gogs/pull/8178 Issue Tracking
https://github.com/gogs/gogs/releases/tag/v0.14.2 Release Notes
https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2025-8110Gogs PutContents API symlink handling allows remote code executionThe PutContents API in Gogs mishandles symbolic links, letting a user write file content through a symlink and escape the intended repository path (C…KEVEPSS 85%analysed9.9CVE-2024-39930Gogs argument injection vulnerabilityThe built-in SSH server of Gogs through 0.13.0 allows argument injection in internal/ssh/ssh.go, leading to remote code execution. Authenticated atta…EPSS 7.7%9.9CVE-2024-39931Gogs internal file deletion via path handling flawGogs through 0.13.0 allows deletion of internal files. The flaw is a path handling issue (CWE-552) that lets a user with a valid account remove files…EPSS 53%analysed9.9CVE-2024-39932Gogs code injection vulnerabilityGogs through 0.13.0 allows argument injection during the previewing of changes.EPSS 17%9.8CVE-2024-56731Gogs vulnerabilityGogs is an open source self-hosted Git service. Prior to version 0.13.3, it's still possible to delete files under the .git directory and achieve rem…EPSS 1.2%9.8CVE-2022-1884Gogs os command injection vulnerabilityA remote command execution vulnerability exists in gogs/gogs versions <=0.12.7 when deployed on a Windows server. The vulnerability arises due to imp…EPSS 1.8%9.8CVE-2022-2024Gogs OS command injection before 0.12.11Gogs, a self-hosted Git service, contains an OS command injection flaw (CWE-78) in versions prior to 0.12.11. The CVSS 3.1 vector rates it 9.8 critic…EPSS 98%analysed9.8CVE-2022-1986Gogs os command injection vulnerabilityOS Command Injection in GitHub repository gogs/gogs prior to 0.12.9.EPSS 4.5%

Source: NIST National Vulnerability Database (record CVE-2026-26276), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.