CVE-2025-40920

HighCVSS 8.6/10Last modified Jun 17, 2026

Description

Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl generate nonces using the Perl Data::UUID library. * Data::UUID does not use a strong cryptographic source for generating UUIDs. * Data::UUID returns v3 UUIDs, which are generated from known information and are unsuitable for security, as per RFC 9562. * The nonces should be generated from a strong cryptographic source, as per RFC 7616.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Weakness enumeration

CWE-338 CWE-340

Affected software

No affected versions have been published.

Timeline

Published: Aug 11, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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