CVE-2023-26281 json
IBM HTTP Server denial of service
published 2023-02-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-30104
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
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.
Patch / fix
- ibm.com/support/pages/node/6958522 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- IBM HTTP Server
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
ibm.com
/support/pages/node/6958522
vendor-advisory, patch
-
exchange.xforce.ibmcloud.com
/vulnerabilities/248296
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2023-26281
- NVD CVE-2023-26281
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