CVE-2026-7009

MEDIUM EPSS 18.2%
Published May 13, 20261mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 3.1
Medium
Find Similar
Published May 13, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

When curl is told to use the Certificate Status Request TLS extension, often referred to as *OCSP stapling*, to verify that the server certificate is valid, it fails to detect OCSP problems and instead wrongly consider the response as fine.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
18.2% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-295

Affected Products 1

VendorProductVersionRange
haxxcurl*≥8.17.0  –  <8.20.0

References 4

  • openwall.com http://www.openwall.com/lists/oss-security/2026/04/29/12
    Mailing ListPatchThird Party Advisory
  • curl.se https://curl.se/docs/CVE-2026-7009.html
    PatchVendor Advisory
  • curl.se https://curl.se/docs/CVE-2026-7009.json
    Product
  • hackerone.com https://hackerone.com/reports/3694390
    ExploitIssue TrackingPatch

Remediation

  • openwall.com http://www.openwall.com/lists/oss-security/2026/04/29/12
    Mailing ListPatchThird Party Advisory
  • curl.se https://curl.se/docs/CVE-2026-7009.html
    PatchVendor Advisory
  • hackerone.com https://hackerone.com/reports/3694390
    ExploitIssue TrackingPatch