What is CVE-2026-33440?

CVE-2026-33440 is a medium-severity vulnerability in Weblateorg Weblate, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-04-15.

How severe is CVE-2026-33440?

Medium severity. CVSS v3 base score is 5.0 out of 10.

SSRF in Weblateorg Weblate

CVE-2026-33440

Weblate is a web based localization tool. In versions prior to 5.17, the ALLOWED_ASSET_DOMAINS setting applied only to the first issued requests and didn't restrict possible redirects. This issue has been fixed in version 5.17.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (1.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Weblateorg Weblate — versions < 5.17

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5fhx-9jwj-867m (x_refsource_CONFIRM)
https://github.com/WeblateOrg/weblate/commit/8be80625a864c8db5854503872a65e8a0b7399a6 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33440?: CVE-2026-33440 is a medium-severity vulnerability in Weblateorg Weblate, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-04-15.
How severe is CVE-2026-33440?: Medium severity. CVSS v3 base score is 5.0 out of 10.