What is CVE-2026-25564?

CVE-2026-25564 is a high-severity vulnerability in Wekan, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-02-07.

How severe is CVE-2026-25564?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Wekan

CVE-2026-25564

WeKan versions prior to 8.19 contain an insecure direct object reference (IDOR) in checklist creation and related checklist routes. The implementation does not verify that the supplied cardId belongs to the supplied boardId, allowing cross-board ID tampering by manipulating identifiers.

Vulnerability class: IDOR (Insecure Direct Object Reference)

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · 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/08a6f084eba09487743a7c807fb4a9000fcfa9ac (Patch, patch)
wekan.fi/ (Product, product)
www.vulncheck.com/advisories/wekan-checklist-deletion-idor-via-missing-relation… (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-25564?: CVE-2026-25564 is a high-severity vulnerability in Wekan, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-02-07.
How severe is CVE-2026-25564?: High severity. CVSS v3 base score is 7.5 out of 10.