CVE-2026-80231
A flaw in libcurl makes it wrongly reuse an existing HTTPS connection setup for a given hostname even when using a different Native CA Store setting (`CURLSSLOPT_NATIVE_CA`) than when the connection was created.
- Published Sep 6, 2026
- CVSS 7.5 high
- 0.9% chance of exploitation in the next 30 days (EPSS)
- Public exploit code is available
- A fix is available