{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40701", "assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab", "state": "PUBLISHED", "assignerShortName": "f5", "dateReserved": "2026-04-30T23:04:27.950Z", "datePublished": "2026-05-13T14:12:43.588Z", "dateUpdated": "2026-05-13T16:07:37.463Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "modules": ["ngx_http_ssl_module"], "product": "NGINX Plus", "vendor": "F5", "versions": [{"lessThan": "*", "status": "unaffected", "version": "R37", "versionType": "custom"}, {"lessThan": "R36 P4", "status": "affected", "version": "R36", "versionType": "custom"}, {"lessThan": "R32 P6", "status": "affected", "version": "R32", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["ngx_http_ssl_module"], "product": "NGINX Open Source", "vendor": "F5", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1.31.0", "versionType": "semver"}, {"lessThan": "1.30.1", "status": "affected", "version": "1.19.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "F5 acknowledges Zhenpeng (Leo) Lin of depthfirst for bringing this issue to our attention and following the highest standards of coordinated disclosure."}], "datePublic": "2026-05-13T14:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">NGINX Plus and NGINX Open Source have a vulnerability in the </span><strong>ngx_http_ssl_module</strong><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;module when the </span><strong>ssl_verify_client</strong><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;directive is set to \"on\" or \"optional,\" and the </span><strong>ssl_ocsp</strong><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;directive is set to \"on\" or the </span><strong>leaf</strong><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;parameters are configured with a resolver. 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