CVE-2026-42507
Published:June 02, 2026
Updated:October 10, 2026
When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.
Affected Packages
https://github.com/golang/go.git (GITHUB):
Affected version(s) >=go1 <go1.25.11Fix Suggestion:
Update to version go1.25.11https://github.com/golang/go.git (GITHUB):
Affected version(s) >=go1.26.0 <go1.26.4Fix Suggestion:
Update to version go1.26.4github.com/golang/go (GO):
Affected version(s) >=go1 <go1.25.11Fix Suggestion:
Update to version go1.25.11github.com/golang/go (GO):
Affected version(s) >=go1.26.0 <go1.26.4Fix Suggestion:
Update to version go1.26.4Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
EPSS
Base Score:
0.41