CVE-2026-21889: Weblate

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Weblate is a web based localization tool. Prior to 5.15.2, the screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename. This vulnerability is fixed in 5.15.2.

Affected products

• Weblate Weblate: before 5.15.2 (fixed in 5.15.2)

Published 2026-01-14. Last modified 2026-06-17.