CVE-2026-17197

CRITICAL CVSS 3.1: 9.8 EPSS 0.35%
Updated Aug 17, 2026
IBM
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-287 (Improper Authentication)
Vendor IBM
Public PoC No

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of client-asserted identity.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Ibm I
cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
Ibm I
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
Ibm I
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
Ibm I
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*