Input validation error in Apache Camel - CVE-2026-56140
Published: August 24, 2026
Vulnerability identifier: #VU144862
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56140
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to inject arbitrary Camel headers.
The vulnerability exists due to improper input validation in Sns2HeaderFilterStrategy when processing inbound SNS message attributes. A remote attacker can send specially crafted message attributes to inject arbitrary Camel headers.
No known exploit path is described because camel-aws2-sns is producer-only and does not map externally supplied SNS message attributes inbound into a Camel Exchange.
Affected software
Apache Camel
How to mitigate CVE-2026-56140
Install security update from vendor's website.
Apache Camel - addressed in versions 4.2.0, 4.4.0, 4.5.0, 4.6.0, 4.7.0, 4.8.0, 4.9.0, 4.10.0, 4.11.0, 4.12.0, 4.13.0, 4.14.0, 4.14.8, 4.17.0, 4.18.0, 4.18.3, 4.21.0