---
title: "CVE-2026-105278: openPDC - Authentication Bypass"
description: "openPDC Docker image contains a broken authentication caused by fixed administrative credentials with no forced change on first use, letting attackers with network access gain full administrative control, exploit requires network access to management interface."
url: https://panop.io/threat-heartbeat/CVE-2026-105278/
---

# CVE-2026-105278 openPDC - Authentication Bypass

openPDC Docker image contains a broken authentication caused by fixed administrative credentials with no forced change on first use, letting attackers with network access gain full administrative control, exploit requires network access to management interface.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105278)

## Details

Type

Authentication Bypass

Impact

Privilege Escalation

CVSS vector

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

Published

9 October 2026

Updated

15 October 2026

Weakness

[CWE-798](https://cwe.mitre.org/data/definitions/798.html)

## Vendor fix

Update to a version that enforces credential change on first use or use a custom image without fixed credentials.

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-2026-105278](https://nvd.nist.gov/vuln/detail/CVE-2026-105278)
- [https://github.com/cisagov/CSAF/blob/develop/csaf\_files/OT/white/2026/icsa-26-281-02.json](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-02.json)
- [https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02](https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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