{"id":"CVE-2026-6429","title":"When asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.","summary":"When asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-200","CWE-201"],"vendor":"haxx","product":"curl","affected":["curl >= 7.14.0, < 8.20.0"],"patched":["curl 8.20.0"],"published":"2026-05-13","updated":"2026-09-15","sourceUpdated":"2026-09-15T07:16:29.557","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-6429","references":[{"url":"https://curl.se/docs/CVE-2026-6429.html","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://curl.se/docs/CVE-2026-6429.json","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://hackerone.com/reports/3677759","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6429.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-6429"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2461205"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6429"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6429"},{"url":"https://access.redhat.com/errata/RHSA-2026:12916"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-05-13T14:03:52.312824Z"},"epss":0.00519,"epssPercentile":0.43117,"ingestedAt":"2026-09-15T07:33:29.267Z","scores":{"nvd":5.3,"vendor":6.5},"slug":"CVE-2026-6429","body":"## Overview\n\nWhen asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, libcurl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.\n\n## Affected\n\n- `curl >= 7.14.0, < 8.20.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `curl 8.20.0`\n\n## Vendor advisories\n\n- **RHSA-2026:12916** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-05-02 · [advisory](https://access.redhat.com/errata/RHSA-2026:12916)\n- **Red Hat VEX** · Moderate · affected: Confidential Compute Attestation, Logging Subsystem for Red Hat OpenShift, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · no fix planned: Confidential Compute Attestation, Logging Subsystem for Red Hat OpenShift, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, … · updated 2026-09-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6429.json)","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}