High severity · published Feb 7, 2026
CVE-2026-25564
WeKan < 8.19 Checklist Deletion IDOR via Missing Relationship Validation
7.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
WeKan · WeKan
before 8.19 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25564
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25564
Patch
https://github.com/wekan/wekan/commit/08a6f084eba09487743a7c807fb4a9000fcfa9ac
Product
https://wekan.fi/
Third Party Advisory
https://www.vulncheck.com/advisories/wekan-checklist-deletion-idor-via-missing-relationship-validation
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