Is CVE-2026-2311 actively exploited?

CVE-2026-2311 has no public evidence of in-the-wild exploitation as of 2026-04-30.

What is the CVSS score for CVE-2026-2311?

CVE-2026-2311 has a CVSS score of 6.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-2311?

Patch guidance is available from IBM security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-2311.

Which products are affected by CVE-2026-2311?

1 product: IBM Refer to Description.

CVE-2026-2311 - remediation guidance & executive summary

Description

IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 s vulnerable to privilege escalation caused by an invalid IBM i Web Administration GUI authorization check. A malicious actor could cause user-controlled code to run with administrator privilege.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: high
Privileges: high
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-284

Metadata

Primary Vendor: IBM
Published: 4/30/2026
Last Modified: 4/30/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-2311

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary