CVE-2026-8858 — HIGH (7.5) — White Hats Nepal

Q: How severe is CVE-2026-8858?

CVE-2026-8858 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-8858?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm I.

Vulnerability Description

IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerability can be exploited when an attacker impersonates the application server and sends crafted responses to the plug-in.

CVSS Score

7.5

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ibm	I	>= 7.3, <= 7.6

Related Weaknesses (CWE)

CWE-94

References

https://www.ibm.com/support/pages/node/7276560

FAQ

What is CVE-2026-8858?

CVE-2026-8858 is a vulnerability with a CVSS score of 7.5 (HIGH). IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerab...

How severe is CVE-2026-8858?

CVE-2026-8858 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8858?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm I.