What is CVE-2026-9641?

CVE-2026-9641 is a medium-severity vulnerability, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.3/10. Published 2026-06-12.

How severe is CVE-2026-9641?

Medium severity. CVSS v3 base score is 5.3 out of 10.

CVE-2026-9641

CVE-2026-9641

Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations. The default algorithm is HMAC-SHA1, which should only be used for legacy systems. These versions default to using 1000 iterations. D…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Weakness classification (CWE)

CWE-916 — Use of Password Hash With Insufficient Computational Effort

References

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Frequently asked questions

What is CVE-2026-9641?: CVE-2026-9641 is a medium-severity vulnerability, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.3/10. Published 2026-06-12.
How severe is CVE-2026-9641?: Medium severity. CVSS v3 base score is 5.3 out of 10.