CVE-2026-104439

YesWiki before 4.6.7 contains a user enumeration vulnerability in LostPasswordAction.php that allows unauthenticated attackers to confirm registered email addresses through differing responses. Attackers can submit emails to the MotDePassePerdu recovery page without rate limiting to identify valid accounts for targeted phishing or password-spraying.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-892r-45m6-45xc
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-user-enumeration-via-lost-password-flow
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-892r-45m6-45xc

Configurations

No configuration.

History

02 Oct 2026, 14:17

Type	Values Removed	Values Added
References	~~() https://github.com/YesWiki/yeswiki/security/advisories/GHSA-892r-45m6-45xc -~~	() https://github.com/YesWiki/yeswiki/security/advisories/GHSA-892r-45m6-45xc -

02 Oct 2026, 12:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-02 12:17

Updated : 2026-10-02 14:17

NVD link : CVE-2026-104439

Mitre link : CVE-2026-104439

CVE.ORG link : CVE-2026-104439

JSON object : View

Products Affected

No product.

CWE

CWE-204

Observable Response Discrepancy

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