CVE-2026-18246

MEDIUM CVSS 3.1: 4.3 EPSS 0.19%
Updated Aug 17, 2026
IBM
Parameter Value
CVSS 4.3 (MEDIUM)
Type CWE-436
Vendor IBM
Public PoC No

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to an interpretation conflict in the multipart parser.

Attack Parameters

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

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 4

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