Is CVE-2026-35596 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-35596, but active exploitation has not been confirmed.

Can CVE-2026-35596 be exploited remotely?

Yes. CVE-2026-35596 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-35596?

CVE-2026-35596 has a CVSS score of 4.3 (MEDIUM).

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MEDIUMPOC

CVE-2026-35596

CWE-863Published: April 10, 2026· Updated: Apr 13, 2026

4.3

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2026-35596 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2026-35596. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.