CVE-2026-78164 Apache Camel - Template Injection

Apache Camel 4.0.0 to before 4.18.5 and 4.19.0 to before 4.22.1 contain a template injection caused by improper neutralization of special elements in HTTP producer headers, letting attackers expose sensitive configuration and secrets, exploit requires header override capability.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
View the NVD record ↗

Details

Type
Template Injection
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-200

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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