CVE-2026-46590Public exploit

Code execution via unfiltered key metadata deserialization

Published Jul 6, 2026 · Updated Jul 6, 2026

Deserialization in Apache Camel PQC 4.18.0 through 4.18.2 and 4.19.0 before 4.21.0 allows attackers with key-backend write access to execute code. Key-lifecycle managers call ObjectInputStream.readObject on Base64-wrapped metadata without a filter or class allowlist, and type casts occur only after object side effects run. Exploitation requires permission to write the Vault path, AWS secret, or legacy local key files; successful payloads run with the key-management application's privileges.

CVSS severity8.8
High
EPSS probability0.84%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Deserialization in Apache Camel PQC 4.18.0 through 4.18.2 and 4.19.0 before 4.21.0 allows attackers with key-backend write access to execute code. Key-lifecycle managers call ObjectInputStream.readObject on Base64-wrapped metadata without a filter or class allowlist, and type casts occur only after object side effects run. Exploitation requires permission to write the Vault path, AWS secret, or legacy local key files; successful payloads run with the key-management application's privileges.

The record

CVE
CVE-2026-46590
Published
Jul 6, 2026
Updated
Jul 6, 2026
Vendor
The Apache Software Foundation
Product
Apache Camel
Classifications
CWE-502
Attack vector
Unavailable
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 6, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.18.0 <4.18.3
  2. Affected versionversion=4.19.0 <4.21.0

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesauthenticated

What is affected?

The Apache Software Foundation · Apache Camelversion=4.18.0 <4.18.3; version=4.19.0 <4.21.0

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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