CVE-2026-21889

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductWeblate
PublishedJan 14, 2026
First seenJan 14, 2026

How to fix

Update
  • weblate weblate5.15.2 or later
  • weblate5.15.2 or later

Affected products

ProductAffected versionsFixed in
weblate weblatev < 5.15.25.15.2
weblatePyPIv < 5.15.25.15.2

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Choose the product and enter the version you run to see whether it falls in the affected range.

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