Vulnerability · Published Feb 7, 2026 · Assigned by VulnCheck

CVE-2026-25564WeKan < 8.19 Checklist Deletion IDOR via Missing Relationship Validation

High 7.1

In plain English

A high-severity authorization bypass via user-controlled key in WeKan from WeKan. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High

Exploit odds (30 days)0.3%top 75.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
WeKan	WeKan	0 – before 8.19

Weakness: CWE-639 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

References

https://github.com/wekan/wekan/commit/08a6f084eba09487743a7c807fb4a9000fcfa9ac patch
https://wekan.fi/ product
https://www.vulncheck.com/advisories/wekan-checklist-deletion-idor-via-missing-relationship-validation third-party-advisory