Medium severity · published Feb 7, 2026
CVE-2026-25567
WeKan < 8.19 Card Comment Author Spoofing via User-controlled authorId
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% 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-2026-25567
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25567
Patch
https://github.com/wekan/wekan/commit/67cb47173c1a152d9eaf5469740992b2dacdf62d
Product
https://wekan.fi/
Third Party Advisory
https://www.vulncheck.com/advisories/wekan-card-comment-author-spoofing-via-user-controlled-authorid
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