Search/CVE-2026-80231
● CVE — High

CVE-2026-80231

VendorhaxxProductcurlDiscoveredSep 6, 2026UpdatedSep 15, 2026

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.

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CVSS v3.1
7.5 HIGH
EPSS
0.90%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Intelligence Reports1
1 intelligence report available

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EPSS Trend
Sep 8, 2026 → Sep 25, 2026
▲ 0.68pp
0.21% → 0.90% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Sep 6, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 15, 2026