CVE-2026-21889 — HIGH (7.5)

Q: How severe is CVE-2026-21889?

CVE-2026-21889 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-21889?

Check the references section above for vendor advisories and patch information. Affected products include: Weblate Weblate.

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Weblate	Weblate	< 5.15.2

Related Weaknesses (CWE)

CWE-284

References

https://github.com/WeblateOrg/weblate/commit/a6eb5fd0299780eca286be8ff187dc2d10fPatch
https://github.com/WeblateOrg/weblate/pull/17516Issue Tracking
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3g2f-4rjg-9385PatchVendor Advisory

FAQ

What is CVE-2026-21889?

CVE-2026-21889 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 acce...

How severe is CVE-2026-21889?

CVE-2026-21889 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21889?

Check the references section above for vendor advisories and patch information. Affected products include: Weblate Weblate.