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CVE-2026-35596

Vikunja has Broken Access Control on Label Read via SQL Operator Precedence Bug

Published: Apr 10, 2026Updated: Apr 10, 2026 Sources: CVE List
NVD MITRE
4.3CVSS
MEDIUM

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.

EPSS Score
0.0%
Top 92.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None

Weaknesses

CWE-863CWE-863: Incorrect Authorization

Affected Products

vikunja
go-vikunja

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hj5c-mhh2-g7jq
github.com
https://github.com/go-vikunja/vikunja/pull/2578
github.com
https://github.com/go-vikunja/vikunja/commit/fc216c38afaa51dd56dde7a97343d2148ecf24c1
github.com
and 1 more references View all →

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