CVE-2026-5091

EUVD-2026-31353
Catalyst::Plugin::Authentication versions through 0.10024 for Perl  is susceptible to timing attacks.

These versions use Perl's built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash or password.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.1 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 9.65%
Debian logo
Debian Releases
Debian Product
Codename
libcatalyst-plugin-authentication-perl
bookworm
no-dsa
bullseye
postponed
forky
0.10026-1
fixed
sid
0.10026-1
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libcatalyst-plugin-authentication-perl
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
Common Weakness Enumeration
References
https://github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/b0515f492257438cf07082acf1e10d06e8088a5e.patch
https://metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10_025/changes
http://www.openwall.com/lists/oss-security/2026/05/21/19