onyx --cves cve-2022-32148

CVE-2022-32148

MEDPOCGo

score: <0.1
cvss: 6.5
epss: 1.4%
published: 2022-08-10
kev added: —
first seen: 2026-10-21

net/http before Go 1.17.12 and Go 1.18.4 contains an improper exposure of client IP addresses caused by calling httputil.ReverseProxy.ServeHTTP with a nil value for the X-Forwarded-For header in Request.Header, letting attackers expose client IPs, exploit requires calling ServeHTTP with a nil X-Forwarded-For header.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

2022-08-10 Published
2026-10-21 Tracked by Onyx
2026-10-21 Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

NVD-CWE-noinfo

References 5

https://go.googlesource.com/go/+/b2cc0fecc2ccd80e6d5d16542cc684f97b3a9c8a
https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
https://go.dev/cl/412857
https://pkg.go.dev/vuln/GO-2022-0520
https://go.dev/issue/53423