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PatchSiren cyber security CVE debrief

CVE-2026-5619 Braffolk CVE debrief

A command injection vulnerability was found in Braffolk mcp-summarization-functions up to 0.1.5. The vulnerability is located in the summarize_command of src/server/mcp-server.ts. An attacker with local access can manipulate the command argument to execute OS commands. This vulnerability requires local access and can be used to execute OS commands, potentially leading to unauthorized system modifications or data breaches.

Vendor
Braffolk
Product
mcp-summarization-functions
CVSS
LOW 1.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-06
Original CVE updated
2026-07-24
Advisory published
2026-04-06
Advisory updated
2026-07-24

Who should care

Users of Braffolk mcp-summarization-functions up to 0.1.5 should be aware of this vulnerability and take steps to mitigate it. This vulnerability requires local access and can be used to execute OS commands, potentially leading to unauthorized system modifications or data breaches. Operators, platform administrators, vulnerability management teams, and security teams should review and act on this information.

Technical summary

The vulnerability is caused by a lack of proper input validation in the summarize_command of src/server/mcp-server.ts. An attacker with local access can manipulate the command argument to execute OS commands. The CVSS score for this vulnerability is 1.9, indicating a low severity. However, defenders should verify affected deployments and implement compensating controls due to the potential for exploitation.

Defensive priority

Low priority. This vulnerability requires local access and has a low CVSS score. However, defenders should still verify affected deployments and implement compensating controls due to the potential for exploitation.

Recommended defensive actions

  • Inventory and verify affected Braffolk mcp-summarization-functions installations
  • Apply vendor patches or upgrades when available
  • Implement compensating controls such as input validation and command sanitization
  • Monitor for suspicious activity and exception tracking
  • Review 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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-04-06T05:16:01.590Z and last modified on 2026-07-24T09:10:00.153Z. The NVD entry is currently Deferred. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way. Evidence is limited to public sources and may not reflect the full scope or impact of this vulnerability.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-06T05:16:01.590Z and has not been modified since then. The NVD entry is currently Deferred.