CVE-2026-6656CWE-208

Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks

High · published July 20, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
41.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00492 · 41.3th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2026-07-20T07:01Z
EPSS history
Timeline
  • 20 JUL 07:01Z
    Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks
    cvelistv5