CVE-2026-8856

9.1 criticalEPSS 0.2%

Critical (9.1) in ibm http server. EPSS 0.2% chance of exploitation in the next 30 days.

IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service in configurations where an attacker has write access to parts of the server configuration.

Severity

CVSS 3.1

9.1 critical

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2026-05-26
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

ibm:http_server

References

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

Check your stack JSON