Unrated severityNVD Advisory· Published Nov 3, 2026

CVE-2026-74846

Description

Catalyst::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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Perl Catalyst/Catalyst Plugin Authenticationllm-fuzzy
Range: <0.10029

Patches

Vulnerability mechanics

References

github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/ba4435f1fa6b641e6c8793c88b5433afa83ceafa.patchnvd
metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10029/changesnvd
www.cve.org/CVERecordnvd

News mentions

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patch	-0.070
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