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CVE-2026-7009— OCSP stapling bypass with Apple SecTrust

Quick assessment

Affected
curl curl
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

curl是cURL开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在安全漏洞，该漏洞源于OCSP装订检测失败，可能导致错误认为服务器证书有效。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.32% · P22

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
curl curl 8.19.0≤ 8.19.0 affected
8.18.0≤ 8.18.0 affected
8.17.0≤ 8.17.0 affected
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I. Basic Information for CVE-2026-7009

Vulnerability Information
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Vulnerability Title
OCSP stapling bypass with Apple SecTrust
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
curl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
curl是cURL开源的一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在安全漏洞，该漏洞源于OCSP装订检测失败，可能导致错误认为服务器证书有效。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
curl curl 8.19.0 ~ 8.19.0 -

II. Public POCs for CVE-2026-7009

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III. Intelligence Information for CVE-2026-7009

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Vendor Advisories for CVE-2026-7009 (2)

Other References for CVE-2026-7009 (1)

Same Patch Batch · curl · 2026-05-13 · 8 CVEs total

CVE-2026-7168 cross-proxy Digest auth state leak
CVE-2026-6253 proxy credentials leak over redirect-to proxy
CVE-2026-6429 netrc credential leak with reused proxy connection
CVE-2026-6276 stale custom cookie host causes cookie leak
CVE-2026-4873 connection reuse ignores TLS requirement
CVE-2026-5545 wrong reuse of HTTP Negotiate connection
CVE-2026-5773 wrong reuse of SMB connection

IV. Related Vulnerabilities

Same product: curl
Same vendor: curl

V. Comments for CVE-2026-7009

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