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CVE-20XX-?

CVE-2026-8633

9.8 CRITICAL 0.9% exploit odds Fix listed Injection Server

What it is

IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server Plug-ins, through a specially crafted request.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-26 18:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-07-23 11:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-26 18:16 UTC
Last modified: 2026-07-23 11:10 UTC
Exploit probability: 0.9% · EPSS, next 30 days
Weakness: CWE-94 · Code injection
Record status: Analyzed

Affected

IBM Websphere Application Server ≤ 8.5.5.29
IBM Websphere Application Server ≤ 9.0.5.27

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Meme: I wake up, CVE-2026-8633

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Fix and advisories

https://www.ibm.com/support/pages/node/7274072

References

https://www.ibm.com/support/pages/node/7274072

NVD record · CVE.org record