SecuriTricks - CVE-2026-2543

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.

Product(s) Impacted

Vendor	Product	Versions
Vichan	Vichan	<5.1.5

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-620

Unverified Password Change

When setting a new password for a user, the product does not require knowledge of the original password, or using another form of authentication.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	vichan	vichan	<5.1.5	/	/	/	/	/	/	/

References

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

CVSS Score

5.1 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: HIGH
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: NONE
Exploit Maturity: NOT_DEFINED

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Feb. 16, 2026, 7:17 a.m.
Last Modified: Feb. 16, 2026, 7:17 a.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-2543