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Vulnerabilities

Vulnerability · CVE-2026-2543

A vulnerability was identified in vichan-devel vichan up to 5.1.5.

Published Feb 16, 2026 · catalog updated Feb 23, 2026 · A vulnerability was identified

Last checked Nov 12, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-2543. EPSS is 0.30%. Act only if a listed version of A vulnerability was identified is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A vulnerability was identified).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.30%
Remediation
Vendor / distro source
Affected products
vendor vichan-devel vichan 5.1.5

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor vichan-devel vichan 5.1.55.1.5

How to fix CVE-2026-2543

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-2543. EPSS is 0.30%. Act only if a listed version of A vulnerability was identified is installed.

Which versions are affected?

Compare what you have installed with vichan-devel vichan 5.1.5 5.1.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 20, 2026 · urlscan.io

    Detected

    CVE-2026-2543 vichan-devel vichan Password Change pages.php unverified password change (EUVD-2026-6121)

  2. Feb 23, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-2543

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2543

    30-day exploitation probability 0.30%

    first.org
  • EUVDVulnerability recordEUVD-2026-6121

    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 init

    euvd.enisa.europa.eu
  • urlscan.ioThreat intelligenceCVE-2026-2543
    urlscan.io

References

Freshness

Last verified in this catalog Nov 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 12, 2026
  • EUVDNov 9, 2026
  • CVE.orgNov 7, 2026
  • urlscan.ioNov 6, 2026