Critical [CVE-2026-48204] Improper Input Validation, Improper Access Control vulnerability in Apache Camel in Camel Mongodb Gridfs component
This critical-severity Apache Software Foundation advisory covers CVE-2026-48204 affecting Apache Camel.
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Summary
Improper Input Validation, Improper Access Control vulnerability in Apache Camel in Camel Mongodb Gridfs component. The camel-mongodb-gridfs producer selects the GridFS operation to perform from the gridfs.operation Exchange header when the endpoint's operation parameter is not set - which is the default.
The control-header constants (GridFsConstants.GRIDFS_OPERATION, GRIDFS_OBJECT_ID, GRIDFS_METADATA, GRIDFS_CHUNKSIZE, GRIDFS_FILE_ID_PRODUCED) were the plain strings gridfs.operation, gridfs.objectid, gridfs.metadata, gridfs.chunksize and gridfs.fileid.
Because these names do not start with the Camel / camel prefix, HttpHeaderFilterStrategy - which blocks only the Camel header namespace on the HTTP boundary - let them pass from an inbound HTTP request straight into the Exchange.
In a route that bridges an HTTP consumer (for example platform-http) into a mongodb-gridfs: producer with no explicit operation, any HTTP client could therefore set the gridfs.operation header to override the route's intended operation - switching, for example, a file upload to remove (deleting a file identified by the attacker-supplied gridfs.objectid), listAll (enumerating every file in the bucket) or findOne (reading a file) - and supply a gridfs.metadata value that is parsed as a MongoDB document, enabling NoSQL operator injection.
- 4.0.0 through 4.14.8
- 4.15.0 through 4.18.3
- 4.19.0 through 4.21.0.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 4.21.0
- 4.14.8
- 4.18.3
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- In a route that bridges an HTTP consumer (for example platform-http) into a mongodb-gridfs: producer with no explicit operation, any HTTP client could therefore set the gridfs.operation header to override the route's intended operation - switching, for example, a file upload to remove (deleting a file identified by the attacker-supplied gridfs.objectid), listAll (enumerating every file in the bucket) or findOne (reading a file) - and supply a gridfs.metadata value that is parsed as a MongoDB document, enabling NoSQL operator injection.
- Users are recommended to upgrade to version 4.21.0, which fixes the issue.
- If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.8.
- If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.3.
- For deployments that cannot upgrade immediately, set an explicit operation on the mongodb-gridfs: endpoint so the operation is not taken from a header, and strip the gridfs.* headers from any untrusted ingress before the producer.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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