CVE-2026-16235: Crypt::Password versions through 0.28 for Perl generate insecure random values for salts

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-20 · updated 2026-10-24
Weakness: CWE-338

Description

Crypt::Password versions through 0.28 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable for cryptography.

Affected products

DRSTEVE Crypt::Password: through 0.28

References

https://metacpan.org/release/DRSTEVE/Crypt-Password-0.28/source/lib/Crypt/Password.pm#L306-309
http://www.openwall.com/lists/oss-security/2026/07/20/3

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