Bug 2555527 (CVE-2026-85316)

Summary: CVE-2026-85316 org.apache.camel/camel-platform-http: Apache Camel Platform HTTP: Unauthorized request forwarding via improper path prefix matching
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dhanak, drosa, dsimansk, fmariani, fmongiar, gmalinko, janstey, jnethert, jwon, kingland, mcarlett, mnovotny, pdelbell, pjindal, rstepani, sausingh, tcunning, yfang
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the Apache Camel Platform HTTP component. The component determines whether an endpoint operates in proxy mode using a prefix match for paths starting with "proxy" rather than requiring an exact match, inadvertently causing non-proxy endpoints to act as forward proxies. A remote attacker can exploit this issue by sending requests to affected endpoints, forcing the server to relay arbitrary requests on their behalf. This can lead to unauthorized request forwarding and the exposure of internal network services.
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Description OSIDB Bzimport 2026-10-19 10:55:48 UTC
Insufficient Granularity of Access Control vulnerability in Apache Camel Platform HTTP component.

This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1.

The component decided whether an endpoint ran in proxy mode by testing whether its configured path started with the string proxy, rather than by matching the path exactly. Any endpoint whose path merely begins with those characters - proxyStatus, proxy-config, proxying and so on - therefore became a proxy endpoint without the route author asking for it. A proxy endpoint forwards requests onward, so an endpoint that was intended to serve its own content instead relays traffic on behalf of whoever calls it, which is both a request forgery primitive and an exposure of whatever the forwarding path can reach.

Upgrade to Apache Camel 4.23.0, which fixes the issue. Users on the 4.18.x LTS releases stream should upgrade to 4.18.5. Users on the 4.22.x LTS releases stream should upgrade to 4.22.1. Proxy mode is now selected by an exact path match rather than by prefix. For deployments that cannot upgrade immediately, rename any endpoint path that begins with proxy but is not intended to be a proxy.