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CVE-2026-35596

MEDIUM CVSS 3.1: 4.3 EPSS 0.03%
Updated Apr 17, 2026
Vikunja
Parameter Value
CVSS 4.3 (MEDIUM)
Affected Versions before 2.3.0
Fixed In 2.3.0
Type CWE-863 (Incorrect Authorization)
Vendor Vikunja
Public PoC No

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the hasAccessToLabel function contains a SQL operator precedence bug that allows any authenticated user to read any label that has at least one task association, regardless of project access. Label titles, descriptions, colors, and creator information are exposed.

This vulnerability is fixed in 2.3.0.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Vikunja Vikunja
cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
2.3.0