What is CVE-2026-5087?

CVE-2026-5087 is a high-severity vulnerability in Jjnapiork Pagi\, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2026-03-31.

How severe is CVE-2026-5087?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Jjnapiork Pagi\

CVE-2026-5087

PAGI::Middleware::Session::Store::Cookie versions through 0.001003 for Perl generates random bytes insecurely. PAGI::Middleware::Session::Store::Cookie attempts to read bytes from the /dev/urandom device directly. If that fails (for examp…

EPSS: 0.003 (23.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Jjnapiork Pagi\ — versions \
Jjnapiork Pagi::middleware::session::store::cookie — versions 0

Weakness classification (CWE)

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (Broken Link)
9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes, Release Notes)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-5087?: CVE-2026-5087 is a high-severity vulnerability in Jjnapiork Pagi\, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2026-03-31.
How severe is CVE-2026-5087?: High severity. CVSS v3 base score is 7.5 out of 10.