CVE-2026-8854

Name: CVE-2026-8854
Creator: NVD / NIST
Published: 2026-05-26T18:16:57.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2026-8854 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.36%

27.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-825

Affected Software

Vendor	Product	Versions
Ibm	Http Server	>= 8.5.0.0, < 8.5.5.30
Ibm	Http Server	>= 9.0.0.0, < 9.0.5.29

References

https://www.ibm.com/support/pages/node/7274065Vendor Advisory

Timeline

Published: May 26, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8854?

IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.

How severe is CVE-2026-8854?

CVE-2026-8854 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2026-8854?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-8854?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST