CVE-2026-6656 | Crypt::Password versions through 0.28 for Perl are susceptib… | CVSS 7.5 HIGH

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.

Metadata

CVE ID: CVE-2026-6656
State: PUBLISHED
Assigner: CPANSec
Reserved: 2026-04-20 08:08 UTC
Published: 2026-07-20 07:01 UTC
Last updated: 2026-07-20 18:38 UTC
Primary CWE: CWE-208
CWE-208 Observable Timing Discrepancy
Vendor / Product: DRSTEVE / Crypt::Password
Sources: cve.org · NVD

Severity & Metrics

7.5 HIGH CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
DRSTEVE	Crypt::Password	—	0 ≤ 0.28

Weakness (CWE)

CWE	Source	Description
CWE-208	cna	CWE-208 Observable Timing Discrepancy

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.5	HIGH	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References (2)