CVE-2026-6253 - CERT CVE
ID CVE-2026-6253
Sažetak 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
Reference
CVSS
Base: 5.9
Impact: 3.6
Exploitability:2.2
Pristup
VektorSloženostAutentikacija
NETWORK HIGH NONE
Impact
PovjerljivostCjelovitostDostupnost
NONE NONE HIGH
CVSS vektor CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Zadnje važnije ažuriranje 13-05-2026 - 18:16
Objavljeno 13-05-2026 - 13:01