Medium severity · published Oct 17, 2026
CVE-2026-111919
Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created. Former collaborators keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VI
vikunja · go-vikunja
0.22.0 before 2.7.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111919
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111919
github.com
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm
www.vulncheck.com
https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.0-improper-access-revocation-via-webhooks
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