Vulnerability · Published Jan 14, 2026 · Assigned by GitHub_M

CVE-2026-21889Weblate leaks information via screenshots

Low 2.3

In plain English

A low-severity improper access control in weblate from WeblateOrg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)2.3Low

Exploit odds (30 days)0.4%top 67.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

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

Affected products (as reported)

Vendor	Product	Versions
WeblateOrg	weblate	< 5.15.2

Weakness: CWE-284 · Vector: 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

References

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