Is CVE-2026-26979 actively exploited?

No active exploitation of CVE-2026-26979 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-26979 be exploited remotely?

Yes. CVE-2026-26979 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-26979?

CVE-2026-26979 has a CVSS score of 2.7 (LOW).

HOME VULNERABILITIESCVE-2026-26979

LOW

CVE-2026-26979

CWE-862Published: February 26, 2026· Updated: Mar 2, 2026

2.7

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:10.3th

Official Description

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users are able to close, archive and pin topics in private categories they don't have access to. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

NVD Source

Technical Analysis

CVE-2026-26979 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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