IBM HTTP Server is affected by multiple vulnerabilities
Priority LOW 39CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00197 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | HTTP Server | 8.5.0 – Interim Fix 002; 9.0 | — | No fix listed | CNA |
- HTTP Server VendorIBM Affected 8.5.0 – Interim Fix 002; 9.0 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:http_server:*:*:*:*:*:*:*:* | 8.5.0.0 to before 8.5.5.30; 9.0.0.0 to before 9.0.5.29 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* | not specified by NVD | Running on | IBM |
| cpe:2.3:o:ibm:z\/os:-:*:*:*:*:*:*:* | not specified by NVD | Running on | IBM |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:ibm:http_server:*:*:*:*:*:*:*:* Versions 8.5.0.0 to before 8.5.5.30; 9.0.0.0 to before 9.0.5.29 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
- cpe:2.3:o:ibm:z\/os:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
IBM HTTP Server — ibm.com/support/pages/node/7274065
8 records Highest priority Priority MEDIUM 2 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2026-08061 IBM HTTP Server is affected by multiple vulnerabilitiesPriority MEDIUM 49
- TI-2026-07778 IBM HTTP Server is affected by multiple vulnerabilitiesPriority MEDIUM 43
- TI-2026-07777 IBM HTTP Server is affected by multiple vulnerabilitiesPriority LOW 39
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8856
- 2026-10-03 Alias added: GHSA-48g8-mw8p-w6j7
References
More IBM Http Server vulnerabilities
- TI-2010-00403 modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through… CVSS 2.0HIGH 10.0
- TI-2004-00445 The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to… CVSS 2.0MEDIUM 6.4
- TI-2004-00444 Heap-based buffer overflow in proxy_util.c for mod_proxy in Apache 1.3.25 to 1.3.31… CVSS 2.0HIGH 10.0
- TI-2000-00504 The Apache 1.3.x HTTP server for Windows platforms allows remote attackers to list… CVSS 2.0MEDIUM 5.0
- TI-2015-04161 Stack-based buffer overflow in the Administration Server in IBM HTTP Server 6.1.0.x… CVSS 2.0HIGH 9.0
- TI-2012-04967 Unspecified vulnerability in the IBM HTTP Server component 5.3 in IBM WebSphere… CVSS 2.0HIGH 10.0
Sources
- CVE-2026-8856 · CVE Program
- CVE-2026-8856 · NVD
- FIRST EPSS
- GHSA-48g8-mw8p-w6j7 · GitHub Advisory Database · CC BY 4.0
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