What is CVE-2026-16615?

CVE-2026-16615 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 6.8/10. Published 2026-07-22.

How severe is CVE-2026-16615?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-16615

A flaw was found in librest. The PKCE implementation for OAuth authorization uses the GRand function from the GLib API, a cryptographically insecure pseudo-random number generator. Because the generated "code verifier" lacks sufficient cry…

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Red Hat Enterprise Linux 10

Weakness classification (CWE)

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

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
RHBZ#2504432 (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com

Frequently asked questions

What is CVE-2026-16615?: CVE-2026-16615 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 6.8/10. Published 2026-07-22.
How severe is CVE-2026-16615?: Medium severity. CVSS v3 base score is 6.8 out of 10.