CVE-2026-7009

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 v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://curl.se/docs/CVE-2026-7009.html	Patch Vendor Advisory
https://curl.se/docs/CVE-2026-7009.json	Product
https://hackerone.com/reports/3694390	Exploit Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2026/04/29/12	Mailing List Patch Third Party Advisory
https://hackerone.com/reports/3694390	Exploit Issue Tracking Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

History

14 May 2026, 14:17

Type	Values Removed	Values Added
CPE		cpe:2.3:a:haxx:curl::::::::
CWE		CWE-295
References	~~() https://curl.se/docs/CVE-2026-7009.html -~~	() https://curl.se/docs/CVE-2026-7009.html - Patch, Vendor Advisory
References	~~() https://curl.se/docs/CVE-2026-7009.json -~~	() https://curl.se/docs/CVE-2026-7009.json - Product
References	~~() https://hackerone.com/reports/3694390 -~~	() https://hackerone.com/reports/3694390 - Exploit, Issue Tracking, Patch
References	~~() http://www.openwall.com/lists/oss-security/2026/04/29/12 -~~	() http://www.openwall.com/lists/oss-security/2026/04/29/12 - Mailing List, Patch, Third Party Advisory
First Time		Haxx Haxx curl

13 May 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-13 13:01

Updated : 2026-05-14 14:17

NVD link : CVE-2026-7009

Mitre link : CVE-2026-7009

CVE.ORG link : CVE-2026-7009

JSON object : View

Products Affected

haxx

curl

CWE

CWE-295

Improper Certificate Validation

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