CVE-2025-40916

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CVSS 3.1

9.1 critical

EPSS

<1%p32

Published

Jun 16, 2025 (Jun 16, 2025)

Modified

Jun 17, 2026

Description

Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha. That version uses the built-in rand() function for generating the captcha text as well as image noise, which is insecure.

Weakness: CWE-338, CWE-804
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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