What’s Vulnerable › Vulnerabilities

CVE-2026-93493: Io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-18 · updated 2026-09-18
• Weakness: CWE-299

Description

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 products

• Red Hat build of Apache Camel for Spring Boot 4: all versions

References

• https://access.redhat.com/security/cve/CVE-2026-93493
• https://bugzilla.redhat.com/show_bug.cgi?id=2536897

Get alerted when CVE-2026-93493 or the next vulnerability affects your stack