PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-15325 IBM CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-28T21:17:27.770Z and has not been modified since then. The vulnerability affects IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7, allowing for HTTP request smuggling due to improper handling of TRACE requests. Organizations should be aware of this vulnerability and take steps to patch or mitigate it, as it has a high CVSS score of 8.7. The CVE record indicates that the vulnerability could allow attackers to smuggle HTTP requests, potentially leading to security issues. It is essential for organizations using the affected products to prioritize patching and review server configurations to ensure proper handling of TRACE requests. Additionally, monitoring server logs for potential HTTP request smuggling attacks is recommended.

Vendor
IBM
Product
WebSphere Application Server
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-28
Original CVE updated
2026-08-05
Advisory published
2026-07-28
Advisory updated
2026-08-05

Who should care

Organizations using IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 should be aware of this vulnerability and take steps to patch or mitigate it.

Technical summary

IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 are vulnerable to HTTP request smuggling due to improper handling of TRACE requests. This vulnerability has a high CVSS score of 8.7 and could allow attackers to smuggle HTTP requests, potentially leading to security issues.

Defensive priority

Organizations using IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 should prioritize patching due to the high CVSS score of 8.7 and the potential for HTTP request smuggling attacks.

Recommended defensive actions

  • Apply patches or updates to IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7
  • Review and update server configurations to ensure proper handling of TRACE requests
  • Monitor server logs for potential HTTP request smuggling attacks

Evidence notes

The CVE record indicates that IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 are vulnerable to HTTP request smuggling due to improper handling of TRACE requests. The CVSS vector is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-28T21:17:27.770Z and has not been modified since then.