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

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.