EUVD-2026-41849
GHSA-rcvm-6r79-cf4r
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Unauthenticated network-reachable header injection when the WebSocket endpoint is unauthenticated (PR:N/AV:N/AC:L); primary impact is secret disclosure (C:H) with no direct integrity or availability change to the Camel host (I:N/A:N).
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
6Description PRE-NVD
Articles & Coverage 4
AnalysisAI
Server-side request forgery and secret disclosure in Apache Camel's camel-atmosphere-websocket component allow a remote attacker to hijack downstream server-side HTTP requests by injecting Camel control headers as WebSocket query parameters. Affecting Camel 4.0.0-4.14.7, 4.15.0-4.18.2 and 4.19.0-4.20.x, the flaw lets an attacker set CamelHttpUri to redirect internal HTTP calls (e.g., to cloud metadata endpoints) and force resolution of Camel property placeholders, leaking environment variables, application properties and vault secrets. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a Camel route that uses the camel-atmosphere-websocket consumer AND forwards messages into a downstream HTTP producer whose target URI can be influenced by Exchange headers (the injected CamelHttpUri / Exchange.HTTP_URI). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N, C:H/I:N/A:N, 7.5 High) describes an easy, network-reachable, unauthenticated confidentiality breach - but this rating is conditional on a specific deployment: the WebSocket endpoint being exposed without authentication AND a route bridging that consumer into an HTTP producer with a header-drivable target URI. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker connects to an internet-exposed, unauthenticated camel-atmosphere-websocket endpoint and appends query parameters such as CamelHttpUri=http://169.254.169.254/latest/meta-data/ (or a value embedding a ${env:...} / vault placeholder). The Camel route copies this into the Exchange, and the downstream HTTP producer issues the server-side request to the attacker-chosen destination and resolves the embedded placeholder, returning cloud metadata or vault secrets to the attacker. … |
| Remediation | Vendor-released patch: upgrade to Apache Camel 4.21.0, which fixes the issue; users on the 4.14.x LTS stream should move to 4.14.8, and users on the 4.18.x stream should move to 4.18.3 (per https://camel.apache.org/security/CVE-2026-55993.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all systems running Apache Camel with camel-atmosphere-websocket components and identify any WebSocket endpoints exposed without authentication. …
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External POC / Exploit Code
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