CVE-2025-40905

7.3 HIGH

Published: February 13, 2026 Modified: March 10, 2026

Description

WWW::OAuth 1.000 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://metacpan.org/release/DBOOK/WWW-OAuth-1.000/source/lib/WWW/OAuth.pm#L86

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

Issue Tracking Product

https://perldoc.perl.org/functions/rand

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

Third Party Advisory

https://security.metacpan.org/docs/guides/random-data-for-security.html

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

Third Party Advisory

http://www.openwall.com/lists/oss-security/2026/02/13/1

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.3 / 10.0

EPSS (Exploit Probability)

0.1%

18th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-338

Affected Vendors

dbook

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