What is CVE-2025-40915?

CVE-2025-40915 is a high-severity vulnerability in Gryphon Mojolicious::plugin::csrf, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.0/10. Published 2025-06-11.

How severe is CVE-2025-40915?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Gryphon Mojolicious::plugin::csrf

CVE-2025-40915

Mojolicious::Plugin::CSRF 1.03 for Perl uses a weak random number source for generating CSRF tokens. That version of the module generates tokens as an MD5 of the process id, the current time, and a single call to the built-in rand() funct…

EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L.

Affected products

Gryphon Mojolicious::plugin::csrf — versions 1.03

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

Frequently asked questions

What is CVE-2025-40915?: CVE-2025-40915 is a high-severity vulnerability in Gryphon Mojolicious::plugin::csrf, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.0/10. Published 2025-06-11.
How severe is CVE-2025-40915?: High severity. CVSS v3 base score is 7.0 out of 10.