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Home / Vulnerability Intelligence / CVE-2026-33454

CVE-2026-33454 - Vulnerability Analysis

CriticalCVSS: 9.4

Last Updated: April 27, 2026

Apache Camel - Injection

Published: April 27, 2026Updated: April 27, 2026Remote Exploitable

Overview

Apache Camel from 3.0.0 before 4.14.6 and from 4.15.0 before 4.18.1 contains a message header injection caused by incomplete inbound header filtering in MailHeaderFilterStrategy, letting attackers injecting malicious Camel headers alter route behavior, exploit requires attacker to deliver email to monitored mailbox.

Severity & Score

Severity: Critical
CVSS Score: 9.4

Impact

Attackers can alter route behavior by injecting malicious headers, potentially disrupting or manipulating application workflows.

Mitigation

Upgrade to version 4.19.0, or 4.18.1 for 4.18.x LTS, or 4.14.6 for 4.14.x LTS.

Details

CVE ID
CVE-2026-33454
Severity
Critical
CVSS Score
9.4
Type
insecure_deserialization
Status
unconfirmed

CWE

  • CWE-502

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L