CVE-2026-7009
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductHaxx Curl
PublishedMay 13, 2026
First seenMay 13, 2026
Weakness typeCWE-295CWE-295
How to fix
Update
- haxx curl8.20.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| haxx curl | 8.17.0 ≤ v < 8.20.0 | 8.20.0 |
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