IBM HTTP Server 8.5-9.0 InvPtr Deref Authenticated DoS/Info Leak
CVE-2026-8835 Published on May 26, 2026

IBM HTTP Server is affected by multiple vulnerabilities
IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to expose sensitive information or cause a denial of service.

Vendor Advisory NVD

Vulnerability Analysis

Attack Vector:

ADJACENT_NETWORK

Attack Complexity:

LOW

Privileges Required:

LOW

User Interaction:

NONE

Scope:

UNCHANGED

Confidentiality Impact:

HIGH

Integrity Impact:

NONE

Availability Impact:

HIGH

Weakness Type

Untrusted Pointer Dereference

The program obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.

Products Associated with CVE-2026-8835

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IBM Http Server

Affected Versions

IBM HTTP Server:

Version 8.5.0, <= Interim Fix 002 is affected.
Version 9.0 is affected.

Exploit Probability

EPSS

0.01%

Percentile

0.60%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.