IBM HTTP Server denial of service
Priority LOW 35CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
IBM HTTP Server 8.5 used by IBM WebSphere Application Server could allow a remote user to cause a denial of service using a specially crafted URL. IBM X-Force ID: 248296.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01116 66th 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 | — | No fix listed | CNA |
- HTTP Server VendorIBM Affected 8.5 Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:http_server:8.5.0.0:*:*:*:*:*:*:* | 8.5.0.0 | Vulnerable | IBM |
| cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise |
| 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:o:oracle:solaris:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Oracle |
- cpe:2.3:a:ibm:http_server:8.5.0.0:*:*:*:*:*:*:* Versions 8.5.0.0 Vulnerable ·IBM
- cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise
- 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
- cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Oracle
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26281
- 2026-10-03 Alias added: GHSA-mfj2-3qr9-x29v
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-2023-26281 · CVE Program
- CVE-2023-26281 · NVD
- FIRST EPSS
- GHSA-mfj2-3qr9-x29v · GitHub Advisory Database · CC BY 4.0
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