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Δ / VULNERABILITY RECORD

CVE-2026-84218.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 0No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSGitHub reviewed advisoryModified Oct 07, 2026

Disclosure summary

A flaw was found in Jolokia's JSR-160 proxy functionality where insufficient validation of client-controlled JMX service URLs allows a bypass of the denylist introduced to mitigate CVE-2018-1000130. The proxy accepts a `target.url` value from a Jolokia POST request and passes it to `JMXServiceURL` and `JMXConnectorFactory` for establishing the remote JMX connection. The existing denylist only rejects URLs matching `service:jmx:rmi:///jndi/ldap:.*`, which can be bypassed using alternative valid JMX service URL forms, including `ldaps://` schemes or LDAP URLs with a non-empty JMX host component. These URLs are accepted as valid `JMXServiceURL` objects and can cause the Jolokia agent JVM to perform a JNDI lookup against an attacker-controlled LDAP endpoint. This can result in server-side request forgery (SSRF), forwarding of supplied JMX credentials to the remote endpoint, and potentially remote code execution depending on the classes and configuration available in the target JVM.

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

GitHub Reviewed Security Advisories · GHSA-c9ff-59g8-m36q

Open original source · Updated Oct 07, 2026

jolokia-service-jsr160 Incomplete target JMX Service URL deny list handling for user-controlled input

Source severity: HIGH / 0

EcosystemPackageAffected rangeFirst patched
mavenorg.jolokia:jolokia-service-jsr160< 2.6.22.6.2

Original records & references

PUBLISHED 2026-09-01T11:31:13-04:00
MODIFIED 2026-10-07T14:04:16-04:00
INGESTED 2026-10-08T12:30:38-04:00