What is CVE-2026-25567?

CVE-2026-25567 is a medium-severity vulnerability in Wekan, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-02-07.

How severe is CVE-2026-25567?

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

Auth bypass in Wekan

CVE-2026-25567

WeKan versions prior to 8.19 contain an insecure direct object reference (IDOR) in the card comment creation API. The endpoint accepts an authorId from the request body, allowing an authenticated user to spoof the recorded comment author by supplying another user's identifier.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-02-07 · last modified 2026-07-14.

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:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Wekan — versions 0
Wekan Project

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/wekan/wekan/commit/67cb47173c1a152d9eaf5469740992b2dacdf62d (Patch, patch)
wekan.fi/ (Product, product)
www.vulncheck.com/advisories/wekan-card-comment-author-spoofing-via-user-contro… (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-25567?: CVE-2026-25567 is a medium-severity vulnerability in Wekan, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-02-07.
How severe is CVE-2026-25567?: Medium severity. CVSS v3 base score is 4.3 out of 10.