Cyber Resilience

CVE-2026-46473

High

Published: 21 May 2026

Published
21 May 2026
Modified
22 May 2026
KEV Added
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Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0042 33.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-46473 is a high-severity Insufficient Entropy (CWE-331) vulnerability. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 33.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand. Secrets were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage.

CWE(s)
CWE-331

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

Insufficient information to map techniques.
Confidence: LOW · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2024-53522Shared CWE-331
CVE-2026-34236Shared CWE-331
CVE-2026-41080Shared CWE-331
CVE-2020-36925Shared CWE-331
CVE-2025-29311Shared CWE-331
CVE-2026-22698Shared CWE-331
CVE-2025-13399Shared CWE-331
CVE-2025-15387Shared CWE-331
CVE-2025-1828Shared CWE-331
CVE-2025-1860Shared CWE-331

Affected Assets

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TOTP
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-12 Cryptographic Key Establishment and Management
addresses: CWE-331

Approved key-establishment methods mandate sufficient entropy during key generation, eliminating entropy-starved keys.

References