CVE-2026-2543

5.1 mediumEPSS 0.3%

Medium (5.1). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

2.7 low

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)
CWEs: CWE-620, CWE-640
Published: 2026-02-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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

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