6.5

CVE-2026-3784

Exploit

wrong proxy connection reuse with credentials

curl would wrongly reuse an existing HTTP proxy connection doing CONNECT to a
server, even if the new request uses different credentials for the HTTP proxy.
The proper behavior is to create or use a separate connection.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Haxx ≫ Curl Version >= 7.7 < 8.18.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.3% 0.216
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE-305 Authentication Bypass by Primary Weakness

The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

https://curl.se/docs/CVE-2026-3784.json
Vendor Advisory
https://curl.se/docs/CVE-2026-3784.html
Patch
Vendor Advisory
https://hackerone.com/reports/3584903
Third Party Advisory
Exploit
Issue Tracking
http://www.openwall.com/lists/oss-security/2026/03/11/3
Third Party Advisory
Mailing List
https://cert-portal.siemens.com/productcert/html/ssa-253495.html