What is CVE-2026-6656?

CVE-2026-6656 is a high-severity vulnerability in Drsteve Crypt::password, classified under CWE-208. CVSS score: 7.5/10. Published 2026-07-20.

How severe is CVE-2026-6656?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Drsteve Crypt::password

CVE-2026-6656

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.

EPSS: 0.001 (4.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Drsteve Crypt::password — versions 0

Weakness classification (CWE)

CWE-208

References

9b29abf9-4ab0-4765-b253-1875cd9b441e
9b29abf9-4ab0-4765-b253-1875cd9b441e (issue-tracking)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-6656?: CVE-2026-6656 is a high-severity vulnerability in Drsteve Crypt::password, classified under CWE-208. CVSS score: 7.5/10. Published 2026-07-20.
How severe is CVE-2026-6656?: High severity. CVSS v3 base score is 7.5 out of 10.