CVE-2026-80231

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"https://curl.se/docs/CVE-2026-80231.html"}, {"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "tags": ["Vendor Advisory"], "url": "https://curl.se/docs/CVE-2026-80231.json"}, {"source": "2499f714-1537-4658-8207-48ae4bb9eae9", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://hackerone.com/reports/3969368"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://hackerone.com/reports/3969368"}], "sourceIdentifier": "2499f714-1537-4658-8207-48ae4bb9eae9", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-488"}], "source": "2499f714-1537-4658-8207-48ae4bb9eae9", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-488"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2026:63161", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "curl-main-8.22.0-0.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-09-03T00:00:00Z"}], "bugzilla": {"description": "curl: curl: Incorrect HTTPS connection reuse with Native CA Store", "id": "2529204", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529204"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-295", "details": ["A flaw in libcurl makes it wrongly reuse an existing HTTPS connection setup\nfor a given hostname even when using a different Native CA Store setting\n(`CURLSSLOPT_NATIVE_CA`) than when the connection was created.", "A flaw was found in libcurl. This vulnerability allows libcurl to incorrectly reuse an existing HTTPS connection for a given hostname, even when a different Native CA Store setting (`CURLSSLOPT_NATIVE_CA`) is specified for the new connection. This could potentially lead to a client trusting a malicious server if the initial connection used a less strict CA store than intended for subsequent connections."], "name": "CVE-2026-80231", "package_state": [{"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Not affected", "package_name": "build-of-trustee/trustee-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Not affected", "package_name": "openshift-sandboxed-containers/osc-podvm-payload-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "igvm", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "s390utils", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "snphost", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "trustee", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "snphost", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Not affected", "package_name": "rust", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Not affected", "package_name": "devspaces/code-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "foreman", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "openvox-agent", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "puppet-agent", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-09-06T17:48:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80231\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80231\nhttps://curl.se/docs/CVE-2026-80231.html\nhttps://curl.se/docs/CVE-2026-80231.json\nhttps://hackerone.com/reports/3969368"], "statement": "This Low impact flaw in libcurl arises from incorrect reuse of HTTPS connections when the `CURLSSLOPT_NATIVE_CA` option is employed with differing Native CA Store settings. This flaw does not affect any Red Hat products.", "threat_severity": "Low"}

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