What is CVE-2026-17386?

CVE-2026-17386 is a high-severity vulnerability in IBM API Connect, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 8.1/10. Published 2026-11-07.

How severe is CVE-2026-17386?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in IBM API Connect

CVE-2026-17386

IBM API Connect 10.0.8.0 through 10.0.8.12 could allow a remote attacker to gain full administrative control due to the use of a cryptographically weak pseudo-random number generator.

Published 2026-11-07 · last modified 2026-11-07.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM API Connect

Weakness classification (CWE)

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

References

www.ibm.com/support/pages/node/7295637 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-17386?: CVE-2026-17386 is a high-severity vulnerability in IBM API Connect, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 8.1/10. Published 2026-11-07.
How severe is CVE-2026-17386?: High severity. CVSS v3 base score is 8.1 out of 10.