EUVD-2026-41837
GHSA-hgg5-gp4c-gpcg
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Unauthenticated network reach against an exposed WebSocket endpoint (AV:N/PR:N/UI:N), low-complexity header injection (AC:L), high confidentiality from secret/SSRF disclosure with no integrity or availability impact.
Primary rating from Vendor (CNA).
CVSS VectorVendor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
7Description PRE-NVD
Articles & Coverage 5
AnalysisAI
Server-side request forgery and secret disclosure in Apache Camel's camel-vertx-websocket component (versions 4.0.0-4.14.7, 4.15.0-4.18.2, and 4.19.0-4.20.x) let a WebSocket client inject Camel-internal control headers such as CamelHttpUri because inbound query/path parameters are copied into the Exchange header map without a HeaderFilterStrategy. In routes that bridge the WebSocket consumer into a downstream HTTP producer, an attacker can redirect the server-side HTTP request to internal services or cloud metadata endpoints, and because the HTTP producer resolves Camel property placeholders on the attacker-supplied URI, environment variables, application properties, and vault secrets are resolved and exfiltrated. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a Camel route where the camel-vertx-websocket consumer's inbound query/path parameters flow into a downstream HTTP producer whose target URI is derived from message headers (the CamelHttpUri / Exchange.HTTP_URI control header). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) reflects network-reachable, unauthenticated, low-complexity access with high confidentiality impact and no integrity/availability impact, which is consistent with the described secret-disclosure and SSRF read-oriented behavior. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker connects to an unauthenticated camel-vertx-websocket endpoint and appends query parameters such as CamelHttpUri set to an internal or cloud-metadata URL (optionally embedding a placeholder like a vault or environment-variable reference). The Camel route copies these into the Exchange, and the downstream HTTP producer sends a server-side request to the attacker-chosen destination, resolving embedded placeholders so that environment variables, application properties, or vault secrets are returned. … |
| Remediation | Vendor-released patch: upgrade to 4.21.0, which applies a HeaderFilterStrategy that case-insensitively filters the Camel header namespace on inbound mapping so externally supplied Camel*/camel* headers are no longer copied into the Exchange. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
24 hours: Inventory all systems using Apache Camel versions 4.0.0-4.14.7, 4.15.0-4.18.2, or 4.19.0-4.20.x; isolate affected systems from untrusted networks if possible. …
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External POC / Exploit Code
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