Authorization Bypass Through User-Controlled Key Affecting code.vikunja.io/api/pkg/models package, versions <2.2.1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept

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  • Snyk IDSNYK-GOLANG-CODEVIKUNJAIOAPIPKGMODELS-15809280
  • published29 Mar 2026
  • disclosed26 Mar 2026
  • creditoffset

Introduced: 26 Mar 2026

CVE NOT AVAILABLE CWE-639  (opens in a new tab)

How to fix?

Upgrade code.vikunja.io/api/pkg/models to version 2.2.1 or higher.

Overview

Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via disclosure of the link share hash combined with an insecure direct object reference in attachment handling. An attacker can access sensitive data across the entire instance by chaining knowledge of a shared link hash with manipulation of attachment identifiers.

CVSS Base Scores

version 4.0
version 3.1