CVE-2026-2543

LOW

vichan-devel vichan <5.1.5 - Auth Bypass

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 2.7
EPSS 0.0001
EPSS Percentile 1.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-620 CWE-640
Status published
Products (6)
vichan-devel/vichan 5.1.0
vichan-devel/vichan 5.1.1
vichan-devel/vichan 5.1.2
vichan-devel/vichan 5.1.3
vichan-devel/vichan 5.1.4
vichan-devel/vichan 5.1.5
Published Feb 16, 2026
Tracked Since Feb 18, 2026