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CVE-2026-49365 medium CVSS 5.3

Vulnerability in org.apache.camel:camel-netty-http (CVE-2026-49365)

Summary

Vulnerability in org.apache.camel:camel-netty-http (CVE-2026-49365). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 4.21.0 or later.

Original description

The description as published by the source.

Generation of Error Message Containing Sensitive Information vulnerability in Apache Camel Netty HTTP component.

The camel-netty-http HTTP server consumer exposes a muteException option that controls what is returned to the client when a route processing error occurs. This option defaulted to false because the backing field was an uninitialised primitive boolean (Java's default of false), whereas the other Camel HTTP server components (camel-http / camel-jetty / camel-servlet and camel-platform-http) default it to true. With muteException=false, when a request triggers an exception during route processing the consumer writes the full Throwable stack trace into the HTTP response body as text/plain (via DefaultNettyHttpBinding) instead of returning an empty body. Any unauthenticated client that can reach the endpoint and cause a processing error - for example by sending a malformed request body, an invalid parameter, or otherwise triggering a route-internal failure - therefore receives a complete Java stack trace. Such a stack trace can disclose sensitive internal information, including credentials embedded in exception messages, internal host names and IP addresses, filesystem paths, dependency and version details, database and class names, and the application's internal structure, which an attacker can use to plan further attacks.
This issue affects Apache Camel: from 4.0.0 before 4.14.8, from 4.15.0 before 4.18.3, from 4.19.0 before 4.21.0.

Users are recommended to upgrade…

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-49365 has been found in org.apache.camel:camel-netty-http.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: upgrade org.apache.camel:camel-netty-http to 4.21.0 or later.
If unsure, ask your IT team or search "org.apache.camel:camel-netty-http CVE-2026-49365" on the vendor's site.

CVE-2026-49365 (org.apache.camel:camel-netty-http) — CWE-209 / CVSS v3 5.3
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 4.21.0 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (CWE-209) exists in org.apache.camel:camel-netty-http.

📍 Affected scope

Check the vendor advisory for the affected versions of org.apache.camel:camel-netty-http.

🔥 Severity

Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure.

🔧 How to fix

Update to 4.21.0.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで org.apache.camel:camel-netty-http を使っているサービスとバージョンを洗い出す。

  2. 2
    Apply patch patch 
    Upgrade org.apache.camel:camel-netty-http to 4.21.0

    ステージング環境で 4.21.0 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。

  3. 3
    Post-deployment verification verify 
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

maven org.apache.camel:camel-netty-http
[{"type":"ECOSYSTEM","events":[{"introduced":"4.19.0"},{"fixed":"4.21.0"}]}]

References

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