Description
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: 2026-09-06
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 10 Sep 2026 04:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-295

Tue, 08 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-488
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 06 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-295

Sun, 06 Sep 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Curl
Curl curl
Vendors & Products Curl
Curl curl

Sun, 06 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
Description 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.
Title native CA store conn reuse
References

Subscriptions

Curl Curl
cve-icon MITRE

Status: PUBLISHED

Assigner: curl

Published:

Updated: 2026-09-08T18:51:07.952Z

Reserved: 2026-08-26T04:24:27.361Z

Link: CVE-2026-80231

cve-icon Vulnrichment

Updated: 2026-09-08T18:50:55.455Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-06T18:17:22.500

Modified: 2026-09-08T19:19:54.307

Link: CVE-2026-80231

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-10T06:30:05Z

Weaknesses