Is CVE-2026-2543 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-2543, but active exploitation has not been confirmed.

Can CVE-2026-2543 be exploited remotely?

Yes. CVE-2026-2543 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2543?

CVE-2026-2543 has a CVSS score of 2.7 (LOW) and an EPSS exploitation probability of 0.03%.

HOME VULNERABILITIESCVE-2026-2543

LOWPOC

CVE-2026-2543

CWE-620Published: February 16, 2026· Updated: Feb 18, 2026

2.7

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:6.5th

Official Description

A vulnerability was identified in vichan-devel vichan up to 5.1.5. This vulnerability affects unknown code of the file inc/mod/pages.php of the component Password Change Handler. The manipulation of the argument Password leads to unverified password change. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-2543 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.

A proof-of-concept (PoC) exploit exists for CVE-2026-2543. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.