CVE-2026-2311

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 v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7269560	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:ibm:i:7.2:::::::*
	cpe:2.3:o:ibm:i:7.3:::::::*
	cpe:2.3:o:ibm:i:7.4:::::::*
	cpe:2.3:o:ibm:i:7.5:::::::*
	cpe:2.3:o:ibm:i:7.6:::::::*

History

No history.

Information

Published : 2026-04-30 22:16

Updated : 2026-06-17 10:30

NVD link : CVE-2026-2311

Mitre link : CVE-2026-2311

CVE.ORG link : CVE-2026-2311

JSON object : View

Products Affected

ibm

i

CWE

CWE-284

Improper Access Control

{"id": "CVE-2026-2311", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-2311", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-01T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.2.0:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "i", "versions": [{"status": "affected", "version": "7.6.0", "versionType": "semver", "lessThanOrEqual": "2.3.0"}, {"status": "affected", "version": "7.5.0"}, {"status": "affected", "version": "7.4.0"}, {"status": "affected", "version": "7.3.0"}, {"status": "affected", "version": "7.2.0"}]}]}], "published": "2026-04-30T22:16:25.147", "references": [{"url": "https://www.ibm.com/support/pages/node/7269560", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "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. \u00a0A malicious actor could cause user-controlled code to run with administrator privilege."}], "lastModified": "2026-06-17T10:30:45.483", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:ibm:i:7.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD871157-2BB3-4641-B84E-3EA13D24D35A"}, {"criteria": "cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9A49E8C5-7967-42AE-A787-C533D24A63D7"}, {"criteria": "cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "92D03306-B6C9-403E-99A2-CE9D8DC3B482"}, {"criteria": "cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F7CCB5BF-08EF-472F-A663-5DE270234F10"}, {"criteria": "cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFFF96C2-7E0F-4DF9-AF51-3EE357D51095"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}