{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93493", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-18T07:17:42.853Z", "datePublished": "2026-09-18T08:01:28.214Z", "dateUpdated": "2026-09-18T08:01:28.214Z"}, "containers": {"cna": {"title": "Netty: netty-handler-ssl-ocsp: io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}], "descriptions": [{"lang": "en", "value": "A flaw was found in Netty's `netty-handler-ssl-ocsp` component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol (OCSP) response that omits the optional `nextUpdate` field. This omission causes the OCSP validation to be silently skipped, leading to applications proceeding with an unvalidated certificate. This can result in a bypass of security controls where certificate validation is expected."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat build of Apache Camel for Spring Boot 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "netty-handler-ssl-ocsp", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-93493", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2536897", "name": "RHBZ#2536897", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-09-10T00:41:42.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-299", "description": "Improper Check for Certificate Revocation", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-299: Improper Check for Certificate Revocation", "workarounds": [{"lang": "en", "value": "See https://github.com/netty/netty/security/advisories/GHSA-jj3c-mwvr-9g52 for fixed versions and remediation guidance."}], "timeline": [{"lang": "en", "time": "2026-09-10T00:41:42.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-10T00:41:42.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-09-18T08:01:28.214Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:camel_spring_boot:4"], "defaultStatus": "affected", "packageName": "netty-handler-ssl-ocsp", "product": "Red Hat build of Apache Camel for Spring Boot 4", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Netty's `netty-handler-ssl-ocsp` component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol (OCSP) response that omits the optional `nextUpdate` field. This omission causes the OCSP validation to be silently skipped, leading to applications proceeding with an unvalidated certificate. This can result in a bypass of security controls where certificate validation is expected."}], "id": "CVE-2026-93493", "lastModified": "2026-09-18T08:17:02.523", "metrics": {}, "published": "2026-09-18T08:17:02.523", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-93493"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2536897"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-299"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{}

{}