CVE-2026-26081

MEDIUM CVSS 3.1: 4.8 EPSS 0.36%
Updated Jul 21, 2026
Haproxy
Parameter Value
CVSS 4.8 (MEDIUM)
Affected Versions before 3.3.3
Type CWE-130
Vendor Haproxy
Public PoC No

HAProxy Community Edition 3.0 through 3.3 before 3.3.3 lacks a length check for the NEW_TOKEN format. HAProxy Enterprise and ALOHA are also affected.

Attack Parameters

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

Impact Assessment

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

CVSS Vector v3.1

Weakness Type (CWE)