CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.9. See the original NVD description below for full technical details.
CVE
CVE-2026-6253
Severity
MEDIUM
CVSS
5.9
EPSS
0.72%
Original NVD Description
curl might erroneously pass on credentials for a first proxy to a second proxy. This can happen when the following conditions are true: 1. curl is setup to use specific different proxies for different URL schemes 2. the first proxy needs credentials 3. the second proxy uses no credentials 4. while using the first proxy (using say `http://`), curl is asked to follow a redirect to a URL using another scheme (say `https://`), accessed using a second, different, proxy
Related CVEs
Other vulnerabilities affecting the same vendor(s)