Home/CVE/A vulnerability was identified in vichan-devel vichan up to 5.1.5. This vulnerability affects unknown code of the file i
CVE

CVE-2026-2543

A vulnerability was identified in vichan-devel vichan up to 5.1.5. This vulnerability affects unknown code of the file i

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.

LOW · CVSS 2.7 EPSS 0.00012
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-620Unverified Password Change
CWE-640Weak Password Recovery Mechanism for Forgotten Password
▣

Scoring & Timeline

2.7
LOW · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Feb 2026 · 07:17 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/lakshayyverma/CVE-Discovery/blob/main/vichan.md
https://vuldb.com/?ctiid.346152
https://vuldb.com/?id.346152
https://vuldb.com/?submit.749716
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