CVE-2026-8834

HIGHCVSS 8/10EPSS 0.26%

Last modified

CVE-2026-8834 is a high-severity vulnerability rated 8/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8/10

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

EPSS Probability
0.26%

17.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmHttp Server>= 8.5.0.0, < 8.5.5.30
IbmHttp Server>= 9.0.0.0, < 9.0.5.29

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-8834?
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.
How severe is CVE-2026-8834?
CVE-2026-8834 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2026-8834?
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-2026-8834?

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

Scan your code now

Source: NVD / NIST