Vikunja: Unauthenticated Instance-Wide Data Breach via Link Share Hash Disclosure Chained with Cross-Project Attachment IDOR in code.vikunja.io/api
Vikunja: Unauthenticated Instance-Wide Data Breach via Link Share Hash Disclosure Chained with Cross-Project Attachment IDOR in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: code.vikunja.io/api before v2.2.1.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-56765US | — | — | ||
Vikunja before 2.2.1 contains an authorization flaw where the LinkSharing.ReadAll endpoint exposes share hashes to users with read access, enabling permission escalation to admin-l… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-2pv8-4c52-mf8jADVISORY
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8hp8-9fhr-pfm9WEB
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-jfmm-mjcp-8wq2WEB
- https://vikunja.io/changelog/vikunja-v2.2.2-was-releasedWEB
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan