What is CVE-2026-27835?

CVE-2026-27835 is a medium-severity vulnerability in Wger-project Wger, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-02-26.

How severe is CVE-2026-27835?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Wger-project Wger

CVE-2026-27835

wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, `RepetitionsConfigViewSet` and `MaxRepetitionsConfigViewSet` return all users' repetition config data because their `get_queryset()` calls `.all(…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.000 (12.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Wger-project Wger — versions <= 2.4

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

https://github.com/wger-project/wger/security/advisories/GHSA-xf68-8hjw-7mpm (x_refsource_CONFIRM)
https://github.com/wger-project/wger/commit/1fda5690b35706bb137850c8a084ec6a13317b64 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27835?: CVE-2026-27835 is a medium-severity vulnerability in Wger-project Wger, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-02-26.
How severe is CVE-2026-27835?: Medium severity. CVSS v3 base score is 4.3 out of 10.