What is CVE-2026-41519?

CVE-2026-41519 is a medium-severity vulnerability in Weblate, classified under Insufficient Session Expiration. CVSS score: 4.2/10. Published 2026-05-07.

How severe is CVE-2026-41519?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Vulnerability in Weblate

CVE-2026-41519

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" a…

EPSS: 0.000 (0.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weblate
Weblateorg Weblate — versions < 5.17.1

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-41519?: CVE-2026-41519 is a medium-severity vulnerability in Weblate, classified under Insufficient Session Expiration. CVSS score: 4.2/10. Published 2026-05-07.
How severe is CVE-2026-41519?: Medium severity. CVSS v3 base score is 4.2 out of 10.