CVE-2026-21889: Weblate leaks information via screenshots

January 14, 2026

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.

References

github.com/WeblateOrg/weblate
github.com/WeblateOrg/weblate/commit/a6eb5fd0299780eca286be8ff187dc2d10feec47
github.com/WeblateOrg/weblate/pull/17516
github.com/WeblateOrg/weblate/security/advisories/GHSA-3g2f-4rjg-9385
github.com/advisories/GHSA-3g2f-4rjg-9385
nvd.nist.gov/vuln/detail/CVE-2026-21889

Code Behaviors & Features

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