CVE-2026-2543

vichan-devel vichan Password Change pages.php unverified password change

State: Published
Severity: 5.1 Medium
Published: Feb 16, 2026
Updated: Feb 23, 2026
Reserved: Feb 15, 2026

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	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X	VulDB
3.1	2.7 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R	VulDB
3.0	2.7 Low	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R	VulDB
2.0	3.3 Low	AV:N/AC:L/Au:M/C:N/I:P/A:N/E:ND/RL:ND/RC:UR	VulDB

Weaknesses

CWE-620 Unverified Password Change
CWE-640 Weak Password Recovery

Affected Products

Product	Versions
vichanvichan-devel	5.1.0Affected 5.1.1Affected 5.1.2Affected 5.1.3Affected 5.1.4Affected 5.1.5Affected

References

VDB-346152 | vichan-devel vichan Password Change pages.php unverified password changevdb-entrytechnical-description
VDB-346152 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #749716 | Vichan Devel Vichan 5.1.5 Unverified Password Changethird-party-advisory
https://github.com/lakshayyverma/CVE-Discovery/blob/main/vichan.mdrelated

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