Apache Camel Undertow Vulnerability: Improper Input Validation
- Severity
- HIGH
- Affected component
- camel-undertow (maven)
- Patched version
- Not yet available
An early warning has been issued regarding a high severity improper input validation vulnerability in the Apache Camel Undertow component. This issue affects Apache Camel versions 4.11.0 before 4.14.9, 4.15.0 before 4.18.4, and 4.19.0 before 4.22.0.
What happened
An improper input validation vulnerability has been identified in the Apache Camel Undertow component. This vulnerability arises because the endpoint discarded the undertow-specific header filter strategy in favor of the base HTTP one, resulting in the undertow filtering never running on endpoint-configured routes. This issue is under investigation and has been assigned the CVE identifier CVE-2025-30177 and the GHSA identifier GHSA-V7H8-XHH6-GFJ4.
The vulnerability affects Apache Camel versions 4.11.0 before 4.14.9, 4.15.0 before 4.18.4, and 4.19.0 before 4.22.0. Users of these versions should assess their exposure by checking their current Apache Camel version and comparing it against the affected version ranges.
What to do about it
- Upgrade to Apache Camel version 4.14.9, 4.18.4, or 4.22.0 to mitigate the vulnerability.
- Review your application's use of the Apache Camel Undertow component to ensure proper input validation is in place.
- Monitor the primary sources for updates on this vulnerability and any additional mitigation steps that may be recommended.
How 0Day would have caught this
camel-undertow is anywhere in your dependency tree, the engineers who own the affected repositories get a push alert the moment it is flagged — no manual audit to remember to run.Read how this differs from waiting on a scanner to catch a known advisory, or see the exact, read-only access 0Day needs to do this for an organization.
Frequently asked questions
Am I affected?
You are affected if you are using Apache Camel versions 4.11.0 before 4.14.9, 4.15.0 before 4.18.4, or 4.19.0 before 4.22.0.
What should I do right now?
Upgrade to Apache Camel version 4.14.9, 4.18.4, or 4.22.0 to mitigate the vulnerability. Review your application's use of the Apache Camel Undertow component and monitor the primary sources for updates.
Is this vulnerability being exploited in the wild?
There is no confirmed evidence that this vulnerability is being exploited in the wild at this time.
Is this a supply-chain attack?
This is not classified as a supply-chain attack according to the current information.