CVE-2025-40905CWE-338

WWW::OAuth 1.000 and earlier for Perl uses insecure rand() function for cryptographic functions

High · published February 12, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
20.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00290 · 20.5th percentile
Weakness
CWE-338 · Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Published
2026-02-12T23:39Z
EPSS history
Timeline
  • 12 FEB 23:39Z
    WWW::OAuth 1.000 and earlier for Perl uses insecure rand() function for cryptographic functions
    cvelistv5