---
id: "CVE-2026-105453"
kind: "vulnerability"
aliases: ["CVE-2026-105453"]
title: "IBM Sterling Connect Direct for Unix: local users can gain elevated privileges"
severity: "high"
cvss: 8.4
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["connect-direct", "ibm-sterling", "infrastructure", "self-hosted", "unix"]
not_affected_if: ["not-installed", "patched-version"]
published_at: "2026-10-20T00:17:23+00:00"
first_seen_at: "2026-10-23T21:57:19+00:00"
updated_at: "2026-10-25T03:01:55+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105453", "first_seen_at": "2026-10-23T21:57:19+00:00"}]
---

# IBM Sterling Connect Direct for Unix: local users can gain elevated privileges

IBM Sterling Connect Direct for Unix versions 6.3.0.0 through 6.3.0.7 and 6.4.0.0 through 6.4.0.6 mishandle privileges. A local attacker with a foothold on the host can escalate to higher privileges.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Run the Connect Direct for Unix version command or check the installed package version against `6.3.0.7` and `6.4.0.6`
- unknown

## Fix

- Move Connect Direct for Unix to a fixed release listed in the IBM advisory; the sources do not name the fixed version
- unknown

## Timeline

- 2026-10-23T21:57:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-105453

## From the sources

IBM Sterling Connect Direct for Unix 6.3.0.0 through 6.3.0.7 and 6.4.0.0 through 6.4.0.6 could allow a local attacker to gain elevated privileges due to improper privilege management.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_