Vulnerability · Published May 26, 2026 · Assigned by ibm
CVE-2026-8854IBM HTTP Server is affected by multiple vulnerabilities
High 7.5
In plain English
A high-severity security flaw 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 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 70.2% 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 is vulnerable to denial of service via the optional module mod_mem_cache.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | HTTP Server | 8.5.0 – through Interim Fix 0029.0 |
Weakness: CWE-825 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.ibm.com/support/pages/node/7274065 vendor-advisory, patch