CVE-2026-6429

MEDIUM EPSS 40.2%
Published May 13, 20261mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published May 13, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the followed-to host under certain circumstances.

CVSS Details

Base Score
5.3
Exploitability
1.6
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
40.2% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Affected Products 1

VendorProductVersionRange
haxxcurl*≥7.14.0  –  <8.20.0

References 3

  • curl.se https://curl.se/docs/CVE-2026-6429.html
    PatchVendor Advisory
  • curl.se https://curl.se/docs/CVE-2026-6429.json
    Product
  • hackerone.com https://hackerone.com/reports/3677759
    ExploitIssue TrackingThird Party Advisory

Remediation

  • curl.se https://curl.se/docs/CVE-2026-6429.html
    PatchVendor Advisory