CVE-2026-111919

Medium

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keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.

SeverityMedium

CVSS6.5

Exploit probability—

ProductCode.vikunja.io/api

PublishedOct 17, 2026

First seenOct 17, 2026

Weakness typeCWE-613CWE-613

How to fix

Vendor advisories

github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm

Affected products

Product	Affected versions	Fixed in
code.vikunja.io/apiGo	0.22.0 ≤ v ≤ 2.6.0, 0.22.0 ≤ v	—

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