CVE-2026-27140
Published:April 08, 2026
Updated:April 20, 2026
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
Affected Packages
https://github.com/golang/go.git (GITHUB):
Affected version(s) >=go1.26.0 <go1.26.2Fix Suggestion:
Update to version go1.26.2https://github.com/golang/go.git (GITHUB):
Affected version(s) >=go1 <go1.25.9Fix Suggestion:
Update to version go1.25.9github.com/golang/go (GO):
Affected version(s) >=go1 <go1.25.9Fix Suggestion:
Update to version go1.25.9github.com/golang/go (GO):
Affected version(s) >=go1.26.0 <go1.26.2Fix Suggestion:
Update to version go1.26.2Related Resources (4)
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
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Incorrect Authorization
EPSS
Base Score:
0.01