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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 17, 2026 Sources: CVE List NVDCWE-863
4.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 80.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

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.

No summary for this CVE yet.

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
Open in CVSS calculator →

Weaknesses

CWE-863

Affected Products

vikunja
oss-project
vikunjaOn-prem
Enterprise Software / collaboration-groupware
go-vikunja
oss-projectaka vikunja
vikunjaOn-prem
Cloud & SaaS / saas-application

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

https://github.com/go-vikunja/vikunja/commit/fc216c38afaa51dd56dde7a97343d2148ecf24c1
github.com
https://github.com/go-vikunja/vikunja/pull/2578
github.com
https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0
github.com
and 1 more references View all →

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