CVE-2026-11710: CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in IBM WebSphere Application Server
IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling vulnerability due to improper handling of Content-Length headers.
AI Analysis
Technical Summary
CVE-2026-11710 is an HTTP request smuggling vulnerability in IBM WebSphere Application Server version 8.5. It arises from inconsistent handling of Content-Length headers, classified under CWE-444. This inconsistency can allow an attacker to craft specially formed HTTP requests that may be interpreted differently by front-end and back-end servers, potentially leading to unauthorized actions or information disclosure.
Potential Impact
The vulnerability impacts confidentiality by allowing potential unauthorized access or information disclosure. Integrity impact is low, and there is no impact on availability. The attack complexity is high, and no privileges or user interaction are required for exploitation.
Mitigation Recommendations
No official patch or remediation information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, organizations should monitor IBM advisories for updates and consider implementing network-level protections that can detect or block malformed HTTP requests.
CVE-2026-11710: CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in IBM WebSphere Application Server
Description
IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling vulnerability due to improper handling of Content-Length headers.
CVSS v3.1
Score 6.5medium
Affected software
IBM
WebSphere Application Server
pkg:rpm/ibm/websphere_application_servercpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11710 is an HTTP request smuggling vulnerability in IBM WebSphere Application Server version 8.5. It arises from inconsistent handling of Content-Length headers, classified under CWE-444. This inconsistency can allow an attacker to craft specially formed HTTP requests that may be interpreted differently by front-end and back-end servers, potentially leading to unauthorized actions or information disclosure.
Potential Impact
The vulnerability impacts confidentiality by allowing potential unauthorized access or information disclosure. Integrity impact is low, and there is no impact on availability. The attack complexity is high, and no privileges or user interaction are required for exploitation.
Mitigation Recommendations
No official patch or remediation information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, organizations should monitor IBM advisories for updates and consider implementing network-level protections that can detect or block malformed HTTP requests.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-06-08T23:57:43.337Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aad91c955bf5e2cf5719171
Added to database: 09/18/2026, 19:32:25 UTC
Last enriched: 09/18/2026, 19:47:57 UTC
Last updated: 09/19/2026, 03:01:24 UTC
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.