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Vulnerability record · CVE-2026-6656 · published 20 July 2026

CVE-2026-6656: Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks.

Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks. The check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.

7.5 CVSS 3.1 High EPSS 0.49% · top 60.2% CWE-208 · CWE-208 Deferred
7.5CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
20 Jul 2026Last modified by NVD

Description

Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks. The check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.

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

References

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Source: NIST National Vulnerability Database (record CVE-2026-6656), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.