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CVE-2026-40858

Apache Camel: Camel-Infinispan: Unsafe Deserialization in Remote Aggregation Repository

HIGH
8.8
CVSS Score
Published: April 27, 2026 at 09:38 AM UTC
Updated: October 26, 2026 at 10:10 PM UTC
2 products affected across 2 vendorsCamelBuild of Apache Camel for Quarkus

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Camel· Apachemaven
95%
4.0.0 ≤ v < 4.14.74.15.0 ≤ v < 4.18.24.0.04.15.04.19.0
Affected range stops below 4.14.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.18.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.20.0, so it looks safe — our inference, not a vendor statement
Build of Apache Camel for Quarkus· Red Hatrpm
60%
3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

Vendor Advisory
Source: cverecord
https://camel.apache.org/security/CVE-2026-40858.html
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:17668
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:22453
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/security/cve/CVE-2026-40858
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://bugzilla.redhat.com/show_bug.cgi?id=2463179
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40858.json

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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