XXE in Ibm I
CVE-2026-18715
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to improper processing of XML external entities.
Vulnerability class: XXE (XML External Entity)
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Ibm I — versions 7.6, 7.5, 7.4
Weakness classification (CWE)
References
- psirt@us.ibm.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-18715?
- CVE-2026-18715 is a medium-severity vulnerability in Ibm I, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2026-08-13.
- How severe is CVE-2026-18715?
- Medium severity. CVSS v3 base score is 6.5 out of 10.