CVE-2026-46587: Apache Camel: Couchbase: Non-Camel-prefixed Exchange headers bypass HeaderFilterStrategy allowing operation override from untrusted input

[Federico Mariani <fmariani () apache org>]

Severity: important 

Affected versions:

- Apache Camel through 4.14.7
- Apache Camel 4.15.0 through 4.18.2
- Apache Camel 4.19.0 through 4.20.0

Description:

Improper Input Validation vulnerability in Apache Camel.

This issue affects Apache Camel: through 4.14.7, from 4.15.0 through 4.18.2, from 4.19.0 through 4.20.0.

Users are recommended to upgrade to version 4.14.8, 4.18.3, 4.21.0, which fixes the issue.

Credit:

Yu Bao - yubao () paypal com, who works for paypal.com. (reporter)

References:

https://camel.apache.org/security/CVE-2026-46587.html
https://camel.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-46587