CVE-2026-7009

Published: May 13, 2026Modified: Jun 17, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitability: 3.9 / Impact: 1.4

Source: NVD

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.

Affected (1)

Products: Haxx: Curl

Haxx

1 product

Curl

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Haxx Curl	From 8.17.0 to 8.20.0

Related CWEs

CWE-295

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

References (5)

https://curl.se/docs/CVE-2026-7009.html

Source: 2499f714-1537-4658-8207-48ae4bb9eae9

PatchVendor Advisory

https://curl.se/docs/CVE-2026-7009.json

Source: 2499f714-1537-4658-8207-48ae4bb9eae9

Product

https://hackerone.com/reports/3694390

Source: 2499f714-1537-4658-8207-48ae4bb9eae9

ExploitIssue TrackingPatch

http://www.openwall.com/lists/oss-security/2026/04/29/12

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatchThird Party Advisory

https://hackerone.com/reports/3694390

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitIssue TrackingPatch

Timeline

No history available yet.