CVE-2026-34393

Name: CVE-2026-34393
Creator: NVD / NIST
Published: 2026-04-15T19:16:36.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2026-34393 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.39%

30.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Weblate	Weblate	< 5.17

References

https://github.com/WeblateOrg/weblate/pull/18687Issue Tracking, Patch
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-3382-gw9x-477vThird Party Advisory

Timeline

Published: Apr 15, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-34393?

Weblate is a web based localization tool. In versions prior to 5.17, the user patching API endpoint didn't properly limit the scope of edits. This issue has been fixed in version 5.17.

How severe is CVE-2026-34393?

CVE-2026-34393 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2026-34393?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-34393?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST