Vulnerability · Published May 26, 2026 · Assigned by ibm
CVE-2026-8834IBM HTTP Server is affected by multiple vulnerabilities
High 8.0
In plain English
A high-severity heap buffer overflow in HTTP Server from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.3%top 82.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM HTTP Server 8.5, and 9.0 contains a buffer overflow vulnerability. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to execute remote code or cause a denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | HTTP Server | 8.5.0 – through Interim Fix 0029.0 |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7274065 vendor-advisory, patch