Race condition in Apache Camel - CVE-2026-85248
Published: October 23, 2026
Vulnerability identifier: #VU157301
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85248
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass signature verification and cause messages whose signatures were not actually checked to be accepted as successfully verified.
The vulnerability exists due to a race condition in the Apache Camel PQC producer when processing concurrent exchanges through the same endpoint using a shared, unsynchronized java.security.Signature instance. A remote attacker can send concurrent messages to cause update() and verify() calls from different exchanges to interleave, potentially causing verification to report success for a message whose signature was never actually checked.
Affected software
Apache Camel
How to mitigate CVE-2026-85248
Install security update from vendor's website.
Apache Camel - addressed in versions 4.18.5, 4.22.1