Insertion of Sensitive Information Into Sent Data Affecting std/net/http package, versions <1.17.12>=1.18.0-0 <1.18.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-STDNETHTTP-14548605
- published6 Jan 2026
- disclosed28 Jul 2022
- creditChristian Mehlmauer
Introduced: 28 Jul 2022
CVE-2022-32148 (opens in a new tab)How to fix?
Upgrade std/net/http to version 1.17.12, 1.18.4 or higher.
Overview
std/net/http is a Go standard library package std/net/http
Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data.
Go Vulnerability Report:
Client IP adresses may be unintentionally exposed via X-Forwarded-For headers.When httputil.ReverseProxy.ServeHTTP is called with a Request.Header map containing a nil value for the X-Forwarded-For header, ReverseProxy sets the client IP as the value of the X-Forwarded-For header, contrary to its documentation.In the more usual case where a Director function sets the X-Forwarded-For header value to nil, ReverseProxy leaves the header unmodified as expected.