Servers and applications
CVE-2021-22876
curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the…
- Severity
- Medium 5.3
- Published
- 1 Apr 2021
- Last changed
- 14 Oct 2026
- Added to UpHeron
- 21 Oct 2026
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
curlServers and applications · cpe:a:haxx:libcurl |
|