Catalyst::Plugin::Authentication versions before 0.10029 for Perl allow timing attacks on stored passwords via eq comparisons in the legacy password verifier

Summary

CVECVE-2026-74846
StatePUBLISHED
AssignerCPANSec
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-03 08:17:15 UTC
Updated2026-11-03 16:25:21 UTC
DescriptionCatalyst::Plugin::Authentication versions before 0.10029 for Perl allow timing attacks on stored passwords via eq comparisons in the legacy password verifier. CVE-2026-5091 was fixed in the realm-based verifier. The legacy verifier, used by the deprecated login method, compares clear-text passwords, crypt hashes and base64 digests with eq, so the comparison time depends on how many leading bytes match. A remote attacker can use response-time differences to guess the stored password or hash.

Risk And Classification

Problem Types: CWE-208 | CWE-208 CWE-208 Observable Timing Discrepancy

References

ReferenceSourceLinkTags
www.cve.org/CVERecord 9b29abf9-4ab0-4765-b253-1875cd9b441e www.cve.org
github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/ba4435f1f... 9b29abf9-4ab0-4765-b253-1875cd9b441e github.com
metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10029/changes 9b29abf9-4ab0-4765-b253-1875cd9b441e metacpan.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to Catalyst-Plugin-Authentication 0.10029 or later.

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