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PatchSiren cyber security CVE debrief

CVE-2026-19040 MissionSquad CVE debrief

A flaw has been found in MissionSquad mcp-api up to 1.11.9. The affected element is an unknown function of the file src/services/dcrClients.ts. Executing a manipulation can lead to server-side request forgery. The attack may be performed from remote. Upgrading to version 1.11.10 is sufficient to fix this issue. This vulnerability allows attackers to perform server-side request forgery, potentially leading to unauthorized access or data breaches. Users should review the affected component and apply the necessary patch.

Vendor
MissionSquad
Product
mcp-api
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-06
Original CVE updated
2026-08-06
Advisory published
2026-08-06
Advisory updated
2026-08-06

Who should care

Users of MissionSquad mcp-api up to version 1.11.9 should upgrade to version 1.11.10 to address the server-side request forgery vulnerability. Affected operators, platforms, and security teams should review and apply the patch, monitor for potential attacks, and verify affected product deployments exist in managed environments.

Technical summary

A flaw in MissionSquad mcp-api up to 1.11.9 can lead to server-side request forgery. The affected element is an unknown function of the file src/services/dcrClients.ts. Executing a manipulation can lead to server-side request forgery. The attack may be performed from remote. Upgrading to version 1.11.10 is sufficient to fix this issue. This issue arises from inadequate validation of requests, allowing attackers to manipulate the server to make unintended requests. Defenders should focus on validating user input and ensuring proper request handling.

Defensive priority

Upgrade to version 1.11.10 to address the server-side request forgery vulnerability.

Recommended defensive actions

  • Upgrade to version 1.11.10
  • Review and apply patch f068ab4ad6f0907ac7001b995588c2673f11a755
  • Monitor for potential server-side request forgery attacks
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • 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 2026-08-06T14:16:36.043Z and has not been modified since then. The NVD entry is currently Received. Evidence is limited, and defenders should verify affected product deployments, review official advisories, and plan vendor-supported updates or mitigations.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-19040 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-19040

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-19040 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-19040

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.