CVE-2026-48206: Apache Camel Auth Bypass Vulnerability

CVE-2026-48206 Overview

CVE-2026-48206 is an authorization bypass through user-controlled key vulnerability in the Apache Camel JIRA component. The camel-jira producer reads operation parameters such as IssueKey, ProjectKey, IssueTransitionId, and linkType from Exchange message headers. Because these header constants defined in JiraConstants lack the Camel/camel prefix, the HttpHeaderFilterStrategy does not filter them at the HTTP boundary. When a route bridges an HTTP consumer such as platform-http into a jira: producer, an unauthenticated remote client can inject these headers and drive JIRA operations under the endpoint's configured service-account credentials.

Critical Impact
Remote unauthenticated attackers can override JIRA operation parameters through HTTP headers, enabling arbitrary issue deletion, transitions, creation, watcher modification, and work-log manipulation limited only by the service account's permissions.

Affected Products

Apache Camel 4.0.0 before 4.14.8
Apache Camel 4.15.0 before 4.18.3
Apache Camel 4.19.0 before 4.21.0

Discovery Timeline

2026-07-06 - CVE-2026-48206 published to NVD
2026-07-08 - Last updated in NVD database

Technical Details for CVE-2026-48206

Vulnerability Analysis

The camel-jira producer sources its operation parameters from Exchange message headers rather than from a trusted route configuration. Parameters include the issue key, project key, transition id, summary, type, assignee, components, watchers, link type, and work-log minutes. This design assumes headers originate from a trusted route context.

The vulnerability is classified under [CWE-20] Improper Input Validation, combined with authorization bypass through user-controlled key. Exploitation requires no authentication when the bridging HTTP consumer is unauthenticated. Successful exploitation lets attackers delete or transition arbitrary issues, create issues in unintended projects, modify issue fields, add or remove watchers, or log work against any issue the service account can access.

Root Cause

The header constants defined in JiraConstants use plain values without the Camel namespace prefix. For example, ISSUE_KEY = IssueKey, ISSUE_PROJECT_KEY = ProjectKey, ISSUE_TRANSITION_ID = IssueTransitionId, and LINK_TYPE = linkType. The HttpHeaderFilterStrategy only blocks headers within the Camel header namespace on the HTTP boundary. Non-prefixed headers pass through directly from inbound HTTP requests into the Exchange context.

Attack Vector

The attack requires a Camel route that bridges an HTTP consumer such as platform-http into a jira: producer. An attacker sends an HTTP request containing headers like IssueKey, ProjectKey, or IssueTransitionId with attacker-controlled values. These headers propagate into the Exchange and override the parameters the route intended to use. The jira: producer then executes operations against the configured JIRA instance using the endpoint's service-account credentials. Operations remain bounded by the service account's permission set within JIRA.

Detection Methods for CVE-2026-48206

Indicators of Compromise

HTTP requests to Camel routes containing headers named IssueKey, ProjectKey, IssueTransitionId, linkType, or other JiraConstants values from untrusted sources.
Unexpected JIRA audit log entries showing issue deletions, transitions, or creations initiated by the Camel service account outside its normal operational scope.
Anomalous work-log entries, watcher modifications, or issue field changes performed by the service account against issues unrelated to the intended workflow.

Detection Strategies

Inspect Camel route definitions for any path from an HTTP consumer such as platform-http, jetty, or netty-http into a jira: producer without header filtering.
Enable HTTP access logging on Camel endpoints and alert on non-standard header names matching known JiraConstants values.
Correlate JIRA audit logs with Camel access logs to identify service-account activity that lacks a corresponding legitimate upstream trigger.

Monitoring Recommendations

Log all inbound HTTP headers reaching Camel routes that terminate at a jira: producer for retrospective analysis.
Monitor JIRA service-account activity for volume anomalies, unusual project targeting, or destructive operations such as issue deletion.
Set alerts on modifications to issues outside the projects the integration is designed to serve.

How to Mitigate CVE-2026-48206

Immediate Actions Required

Upgrade Apache Camel to version 4.21.0, 4.18.3, or 4.14.8 depending on the release stream in use.
After upgrading, update routes that drive JIRA operations to use the new CamelJira* header names, for example CamelJiraIssueKey in place of IssueKey.
Audit existing Camel routes to identify any HTTP-to-jira: bridging patterns and treat them as high priority for patching.

Patch Information

Apache Camel has released fixed versions that rename the JIRA header constants to use the CamelJira* prefix, allowing HttpHeaderFilterStrategy to filter them at the HTTP boundary. Users on the 4.14.x LTS stream should upgrade to 4.14.8, users on 4.18.x should upgrade to 4.18.3, and all other users should upgrade to 4.21.0. Refer to the Apache Camel CVE-2026-48206 Advisory for full patch details.

Workarounds

Strip camel-jira control headers from untrusted ingress at the start of the route, removing IssueKey, ProjectKey, IssueTransitionId, linkType, and related headers before the jira: producer.
Set required JIRA operation parameters from a trusted source within the route rather than accepting them from inbound requests.
Restrict the JIRA service-account permissions to the minimum set required by the integration to reduce blast radius if exploitation occurs.
Place authentication in front of the bridging HTTP consumer to eliminate unauthenticated access to the vulnerable route.

bash

# Configuration example - remove untrusted JIRA headers before the jira: producer
from("platform-http:/jira-webhook")
    .removeHeaders("IssueKey|ProjectKey|IssueTransitionId|linkType|IssueTypeId|IssueSummary|IssueAssignee|IssueComponents|IssueWatchersAdd|IssueWatchersRemove|MinutesSpent")
    .setHeader("CamelJiraIssueKey", constant("PROJ-123"))
    .to("jira://addComment");