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PatchSiren cyber security CVE debrief

CVE-2026-7216 donchelo CVE debrief

A weakness has been identified in donchelo processing-claude-mcp-bridge up to e017b20a4b592a45531a6392f494007f04e661bd. Impacted is an unknown function of the file processing_server.py of the component create_sketch Tool. This manipulation of the argument sketch_name causes path traversal. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.

Vendor
donchelo
Product
processing-claude-mcp-bridge
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-28
Original CVE updated
2026-07-24
Advisory published
2026-04-28
Advisory updated
2026-07-24

Who should care

Users of donchelo processing-claude-mcp-bridge up to e017b20a4b592a45531a6392f494007f04e661bd should be aware of this path traversal vulnerability and take necessary precautions. This includes operators, administrators, and security teams responsible for the affected product deployments. They should review the vulnerability details, assess their exposure, and plan for mitigations or patches as soon as they become available.

Technical summary

The vulnerability exists in the create_sketch Tool of the processing_server.py file in donchelo processing-claude-mcp-bridge up to e017b20a4b592a45531a6392f494007f04e661bd. The manipulation of the argument sketch_name causes path traversal, allowing for remote exploitation. The product follows a rolling release approach, making version details for affected or updated releases unavailable. This vulnerability has been made publicly available and could be used for attacks, emphasizing the need for affected users to apply patches or implement compensating controls.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it has been made publicly available and could be used for attacks.

Recommended defensive actions

  • Inventory and check instances of donchelo processing-claude-mcp-bridge up to e017b20a4b592a45531a6392f494007f04e661bd
  • Apply patches or updates as soon as they become available
  • Implement compensating controls, such as monitoring and exception tracking
  • Restrict access to the create_sketch Tool and processing_server.py file
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-04-28T03:16:04.600Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Deferred. The vulnerability has been made publicly available and could be used for attacks.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-28T03:16:04.600Z and has not been modified since then. The NVD entry is currently Deferred.