CVE-2026-8854
published 2026-05-26CVE-2026-8854: IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.36%
28.2th percentile
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | http_server | — | — |
| ibm | http_server | 8.5.0 – Interim Fix 002 | — |
| ibm | http_server | >= 8.5.0.0 < 8.5.5.30 | 8.5.5.30 |
| ibm | http_server | >= 9.0.0.0 < 9.0.5.29 | 9.0.5.29 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
IBM HTTP Server up to 9.0 mod_mem_cache expired pointer dereference
vuldb·2026-05-26·CVSS 7.5
CVE-2026-8854 [HIGH] IBM HTTP Server up to 9.0 mod_mem_cache expired pointer dereference
A vulnerability, which was classified as problematic, was found in IBM HTTP Server up to 9.0. This affects an unknown function of the component mod_mem_cache. Such manipulation leads to expired pointer dereference.
This vulnerability is referenced as CVE-2026-8854. It is possible to launch the attack remotely. No exploit is available.
You should upgrade the affected component.
GHSA
GHSA-2h2g-6j29-j4fm: IBM HTTP Server 8
ghsa_unreviewed·2026-05-26
CVE-2026-8854 [HIGH] CWE-825 GHSA-2h2g-6j29-j4fm: IBM HTTP Server 8
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-26
Published