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.

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: 0.001 (18.6th 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)

CWE-502 — Deserialization of Untrusted Data

References

security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

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.