---
title: "CVE-2026-105453: IBM Sterling Connect Direct for Unix - Privilege Escalation"
description: "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 contain a privilege escalation caused by improper privilege management, letting local attackers gain elevated privileges, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-105453/
---

# CVE-2026-105453 IBM Sterling Connect Direct for Unix - Privilege Escalation

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 contain a privilege escalation caused by improper privilege management, letting local attackers gain elevated privileges, exploit requires local access.

CVSS base score 8.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105453)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Published

20 October 2026

Updated

20 October 2026

Weakness

[CWE-269](https://cwe.mitre.org/data/definitions/269.html)

## Vendor fix

Update to a version later than 6.4.0.6 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-105453](https://nvd.nist.gov/vuln/detail/CVE-2026-105453)
- [https://www.ibm.com/support/pages/node/7292735](https://www.ibm.com/support/pages/node/7292735)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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