CVE-2009-10007: Ether Catalyst::plugin::authentication

Critical severity, CVSS 9.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Catalyst::Plugin::Authentication versions before 0.10_027 for Perl is susceptible to session fixation attacks. Catalyst::Plugin::Authentication does not automatically change the session id after authentication. An attacker that obtains a session id cookie can use this to impersonate the victim.

Affected products

• Ether Catalyst::plugin::authentication: before 0.10_027 (fixed in 0.10_027)

Published 2026-06-09. Last modified 2026-07-21.