CVE-2026-7009
Last modified
CVE-2026-7009 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | >= 8.17.0, < 8.20.0 |
References
- https://curl.se/docs/CVE-2026-7009.htmlPatch, Vendor Advisory
- https://hackerone.com/reports/3694390Exploit, Issue Tracking, Patch
- http://www.openwall.com/lists/oss-security/2026/04/29/12Mailing List, Patch, Third Party Advisory
- https://hackerone.com/reports/3694390Exploit, Issue Tracking, Patch
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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