XSS in Gogs
CVE-2026-52798
Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitize_ipynb, the inserted content is re-rendered on the client side without sanitization using marked(…
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L.
Affected products
- Gogs — versions < 0.14.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-52798?
- CVE-2026-52798 is a high-severity vulnerability in Gogs, classified under Cross-site Scripting. CVSS score: 8.9/10. Published 2026-06-24.
- How severe is CVE-2026-52798?
- High severity. CVSS v3 base score is 8.9 out of 10.