MEDIUM

CVE-2026-15634

2026-09-14 CVSS v3.1

CVSS

6.5

Description

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.

Weakness (CWE)

CWE-444

EPSS Score

0.25%

Probability of exploitation in next 30 days

17th percentile

References

https://www.ibm.com/support/pages/node/7286610

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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