Out-of-bounds Read in IBM I

CVE-2026-19086

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a denial of service as a result of a buffer overflow in a PASE process. An authenticated attacker could leverage this to terminate their own process.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • Ibm I — versions 7.3, 7.4, 7.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19086?
CVE-2026-19086 is a low-severity vulnerability in IBM I, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2026-09-14.
How severe is CVE-2026-19086?
Low severity. CVSS v3 base score is 3.3 out of 10.