CVE-2026-7009

5.3 MEDIUM
Published: May 13, 2026 Modified: May 14, 2026
View on 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://curl.se/docs/CVE-2026-7009.html
Source: 2499f714-1537-4658-8207-48ae4bb9eae9
Patch Vendor 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
Exploit Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2026/04/29/12
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://hackerone.com/reports/3694390
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Issue Tracking Patch

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.3%
18th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

haxx