Deserialization in Apache Camel
CVE-2026-40473
The camel-mina component's MinaConverter.toObjectInput(IoBuffer) type converter wraps an IoBuffer in a java.io.ObjectInputStream without applying any ObjectInputFilter or class-loading restrictions. When a Camel route uses camel-mina as a…
Vulnerability class: Insecure Deserialization
EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Camel — versions 4.19.0
- Apache Software Foundation Camel Mina — versions 3.0.0, 4.15.0, 4.19.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-40473?
- CVE-2026-40473 is a high-severity vulnerability in Apache Camel, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-04-27.
- How severe is CVE-2026-40473?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-40473 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.