{"id":"CVE-2026-8932","summary":"incomplete mTLS config matching in conn reuse","details":"libcurl would reuse a previously created connection even when some mTLS config\nrelated option had been changed that should have prohibited reuse.\n\nlibcurl keeps previously used connections in a connection pool for subsequent\ntransfers to reuse if one of them matches the setup. However, some TLS\nsettings related to client certificates were left out from the configuration\nmatch checks, making them match too easily. In particular options related to\nthe private key.","aliases":["CURL-CVE-2026-8932"],"modified":"2026-09-17T03:30:23.996830824Z","published":"2026-07-03T06:16:30.485Z","related":["openSUSE-SU-2026:11230-1"],"database_specific":{"cna_assigner":"curl","cwe_ids":["CWE-305"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8932.json","unresolved_ranges":[{"extracted_events":[{"introduced":"7.7.0"},{"fixed":"8.14.2"},{"introduced":"8.15.0"},{"fixed":"8.16.1"},{"introduced":"8.17.0"},{"fixed":"8.20.1"},{"introduced":"a1d6ad26100bc493c7b04f1301b1634b7f5aa8b4"},{"fixed":"7541ae569d82fb308a5e2d94916027da4fa3ba3e"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://curl.se/docs/CVE-2026-8932.html"},{"type":"WEB","url":"https://curl.se/docs/CVE-2026-8932.json"},{"type":"WEB","url":"https://hackerone.com/reports/3733910"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8932.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8932"},{"type":"PACKAGE","url":"https://github.com/curl/curl.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/curl/curl","events":[{"introduced":"6e3f8dc1f173b47de9a68516ce4b95bf25598c2f"},{"fixed":"3f00a2f6fa97f7721b65606954aac979dcb6caac"}],"database_specific":{"cpe":"cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.20.0"},{"last_affected":"8.20.0"},{"introduced":"8.19.0"},{"last_affected":"8.19.0"},{"introduced":"8.18.0"},{"last_affected":"8.18.0"},{"introduced":"8.17.0"},{"last_affected":"8.17.0"},{"introduced":"8.16.0"},{"last_affected":"8.16.0"},{"introduced":"8.15.0"},{"last_affected":"8.15.0"},{"introduced":"8.14.1"},{"last_affected":"8.14.1"},{"introduced":"8.14.0"},{"last_affected":"8.14.0"},{"introduced":"8.13.0"},{"last_affected":"8.13.0"},{"introduced":"8.12.1"},{"last_affected":"8.12.1"},{"introduced":"8.12.0"},{"last_affected":"8.12.0"},{"introduced":"8.11.1"},{"last_affected":"8.11.1"},{"introduced":"8.11.0"},{"last_affected":"8.11.0"},{"introduced":"8.10.1"},{"last_affected":"8.10.1"},{"introduced":"8.10.0"},{"last_affected":"8.10.0"},{"introduced":"8.9.1"},{"last_affected":"8.9.1"},{"introduced":"8.9.0"},{"last_affected":"8.9.0"},{"introduced":"8.8.0"},{"last_affected":"8.8.0"},{"introduced":"8.7.1"},{"last_affected":"8.7.1"},{"introduced":"8.7.0"},{"last_affected":"8.7.0"},{"introduced":"8.6.0"},{"last_affected":"8.6.0"},{"introduced":"8.5.0"},{"last_affected":"8.5.0"},{"introduced":"8.4.0"},{"last_affected":"8.4.0"},{"introduced":"8.3.0"},{"last_affected":"8.3.0"},{"introduced":"8.2.1"},{"last_affected":"8.2.1"},{"introduced":"8.2.0"},{"last_affected":"8.2.0"},{"introduced":"8.1.2"},{"last_affected":"8.1.2"},{"introduced":"8.1.1"},{"last_affected":"8.1.1"},{"introduced":"8.1.0"},{"last_affected":"8.1.0"},{"introduced":"8.0.1"},{"last_affected":"8.0.1"},{"introduced":"8.0.0"},{"last_affected":"8.0.0"},{"introduced":"7.88.1"},{"last_affected":"7.88.1"},{"introduced":"7.88.0"},{"last_affected":"7.88.0"},{"introduced":"7.87.0"},{"last_affected":"7.87.0"},{"introduced":"7.86.0"},{"last_affected":"7.86.0"},{"introduced":"7.85.0"},{"last_affected":"7.85.0"},{"introduced":"7.84.0"},{"last_affected":"7.84.0"},{"introduced":"7.83.1"},{"last_affected":"7.83.1"},{"introduced":"7.83.0"},{"last_affected":"7.83.0"},{"introduced":"7.82.0"},{"last_affected":"7.82.0"},{"introduced":"7.81.0"},{"last_affected":"7.81.0"},{"introduced":"7.80.0"},{"last_affected":"7.80.0"},{"introduced":"7.79.1"},{"last_affected":"7.79.1"},{"introduced":"7.79.0"},{"last_affected":"7.79.0"},{"introduced":"7.78.0"},{"last_affected":"7.78.0"},{"introduced":"7.77.0"},{"last_affected":"7.77.0"},{"introduced":"7.76.1"},{"last_affected":"7.76.1"},{"introduced":"7.76.0"},{"last_affected":"7.76.0"},{"introduced":"7.75.0"},{"last_affected":"7.75.0"},{"introduced":"7.74.0"},{"last_affected":"7.74.0"},{"introduced":"7.73.0"},{"last_affected":"7.73.0"},{"introduced":"7.72.0"},{"last_affected":"7.72.0"},{"introduced":"7.71.1"},{"last_affected":"7.71.1"},{"introduced":"7.71.0"},{"last_affected":"7.71.0"},{"introduced":"7.70.0"},{"last_affected":"7.70.0"},{"introduced":"7.69.1"},{"last_affected":"7.69.1"},{"introduced":"7.69.0"},{"last_affected":"7.69.0"},{"introduced":"7.68.0"},{"last_affected":"7.68.0"},{"introduced":"7.67.0"},{"last_affected":"7.67.0"},{"introduced":"7.66.0"},{"last_affected":"7.66.0"},{"introduced":"7.65.3"},{"last_affected":"7.65.3"},{"introduced":"7.65.2"},{"last_affected":"7.65.2"},{"introduced":"7.65.1"},{"last_affected":"7.65.1"},{"introduced":"7.65.0"},{"last_affected":"7.65.0"},{"introduced":"7.64.1"},{"last_affected":"7.64.1"},{"introduced":"7.64.0"},{"last_affected":"7.64.0"},{"introduced":"7.63.0"},{"last_affected":"7.63.0"},{"introduced":"7.62.0"},{"last_affected":"7.62.0"},{"introduced":"7.61.1"},{"last_affected":"7.61.1"},{"introduced":"7.61.0"},{"last_affected":"7.61.0"},{"introduced":"7.60.0"},{"last_affected":"7.60.0"},{"introduced":"7.59.0"},{"last_affec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