CVE-2009-4535

MEDIUM 5.0CVE-2009-4535 · Published 31/12/2009 · updated 16/06/2026

In short

CVE-2009-4535 is a MEDIUM (CVSS 5.0) vulnerability affecting mongoose (valenok).
Chance of exploitation in the next 30 days (EPSS): 6.7%, higher than 93.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mongoose valenok	`≤ 2.8.0`	No fix yet

Mongoose 2.8.0 and earlier allows remote attackers to obtain the source code for a web page by appending a / (slash) character to the URI.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.