CVE-2026-83531 Apache Camel - Expression Language Injection

Apache Camel from 4.4.0 before 4.18.5 and from 4.19.0 before 4.22.1 contains an expression language injection caused by unvalidated dynamic predicate expressions in dynamic-router-control endpoint, letting attackers send crafted expressions evaluated with Camel process privileges, exploit requires ability to send messages to dynamic-router-control endpoint.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
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Details

Type
Expression Language Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-94

Vendor fix

Upgrade to versions 4.23.0, 4.22.1, or 4.18.5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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