NULL pointer dereference in IBM I
CVE-2026-10852
IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to denial of service in the WebSphere WebServer Plug-in component when an attacker can pass crafted requests to the web server.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- IBM I — versions 7.6, 7.5, 7.4
- IBM Websphere Application Server — versions 8.5, 9.0
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7277344 (vendor-advisory, patch, Vendor Advisory)
- www.ibm.com/support/pages/node/7276560 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-10852?
- CVE-2026-10852 is a medium-severity vulnerability in IBM I, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2026-06-22.
- How severe is CVE-2026-10852?
- Medium severity. CVSS v3 base score is 5.9 out of 10.