CVE-2022-32148 - CVE House
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Status published Unknown CVE-2022-32148

Exposure of client IP addresses in net/http

Vulnerability Description

Improper exposure of client IP addresses in net/http before Go 1.17.12 and Go 1.18.4 can be triggered by calling httputil.ReverseProxy.ServeHTTP with a Request.Header map containing a nil value for the X-Forwarded-For header, which causes ReverseProxy to set the client IP as the value of the X-Forwarded-For header.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Christian Mehlmauer

References

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Affected Vendor

Go standard library

View all reports →

Affected Software

net/http
Vulnerable Versions:
0, 1.18.0-0

Timeline

Official Publish: August 9th, 2022
Last Modified: March 6th, 2026
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.