CVE-2026-9733 – Mojolicious::Plugin::Web::Auth::OAuth2 versions through 0.17 for Perl have an insecure default state parameter

CVE ID :CVE-2026-9733

Published : June 23, 2026, 7:05 a.m. | 2 hours, 38 minutes ago

Description :Mojolicious::Plugin::Web::Auth::OAuth2 versions through 0.17 for Perl have an insecure default state parameter.

When no state generator is specified in the constructor, the module defaults to using a SHA-1 hash of predictable and low-entropy sources, including the epoch time (which is leaked via the HTTP Date header) and a call to Perl’s built-in rand function.

A predictable state allows an attacker to hijack another user’s session through cross site request forgery (CSRF).

Severity: 0.0 | NA

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