How severe is CVE-2026-46473?

CVE-2026-46473 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-46473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-46473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-46473 have an EU (EUVD) identifier?

Yes. CVE-2026-46473 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31332.

When was CVE-2026-46473 published?

CVE-2026-46473 was published on 2026-05-21 and last updated on 2026-06-17.

CVE-2026-46473

CVE-2026-46473 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-331.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31332
Weakness: CWE-331
Published: 2026-05-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-46473?: 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.
How severe is CVE-2026-46473?: CVE-2026-46473 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-46473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-46473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-46473 have an EU (EUVD) identifier?: Yes. CVE-2026-46473 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31332.
When was CVE-2026-46473 published?: CVE-2026-46473 was published on 2026-05-21 and last updated on 2026-06-17.

References

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