CVE-2026-21889

2.3 lowEPSS 0.4%

Low (2.3) in weblate weblate. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in weblate 5.15.2.

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.

Severity

CVSS 4.0

2.3 low

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)
CWE: CWE-284
Published: 2026-01-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

weblate:weblate

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-3g2f-4rjg-9385	PyPI	weblate	<5.15.2	5.15.2
PYSEC-2026-2037	PyPI	weblate	<5.15.2	5.15.2

References

https://github.com/WeblateOrg/weblate/commit/a6eb5fd0299780eca286be8ff187dc2d10feec47
https://github.com/WeblateOrg/weblate/pull/17516
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3g2f-4rjg-9385

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