CVE-2026-4645
March 23, 2026
A flaw was found in the "github.com/antchfx/xpath" component. A remote attacker could exploit this vulnerability by submitting crafted Boolean XPath expressions that evaluate to true. This can cause an infinite loop in the "logicalQuery.Select" function, leading to 100% CPU utilization and a Denial of Service (DoS) condition for the affected system.
Affected Packages
https://github.com/antchfx/xpath.git (GITHUB):
Affected version(s) >=v1.3.0 <v1.3.6Fix Suggestion:
Update to version v1.3.6github.com/antchfx/xpath (GO):
Affected version(s) >=v1.0.0 <v1.3.6Fix Suggestion:
Update to version v1.3.6Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Loop with Unreachable Exit Condition ('Infinite Loop')
EPSS
Base Score:
0.11
