What’s Vulnerable › Vulnerabilities

CVE-2026-93907: IBM WebSphere Application Server is affected by a bypass authentication vulnerability

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-14
• Weakness: CWE-287

Description

IBM WebSphere Application Server 8.5, and 9.0 could allow a remote attacker to bypass authentication by exploiting a flaw in the CSIv2 inbound propagation handler.

Affected products

• IBM WebSphere Application Server: 8.5, 9.0

References

• https://www.ibm.com/support/pages/node/7292216

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