---
title: "CVE-2026-93994: Apache MINA SSHD - Authentication Bypass"
description: "Apache MINA SSHD <= 2.19.0 and 3.0.0-M1 to 3.0.0-M5 contains an authentication bypass caused by not enforcing distinct public keys in multi-authentication, letting attackers authenticate with a single key twice, exploit requires multi-authentication configuration."
url: https://panop.io/threat-heartbeat/CVE-2026-93994/
---

# CVE-2026-93994 Apache MINA SSHD - Authentication Bypass

Apache MINA SSHD <= 2.19.0 and 3.0.0-M1 to 3.0.0-M5 contains an authentication bypass caused by not enforcing distinct public keys in multi-authentication, letting attackers authenticate with a single key twice, exploit requires multi-authentication configuration.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.32% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93994)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

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

Published

30 September 2026

Updated

15 October 2026

Weakness

[CWE-304](https://cwe.mitre.org/data/definitions/304.html)

## Vendor fix

Upgrade to version 2.20.0 or 3.0.0-M6 or later.

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-2026-93994](https://nvd.nist.gov/vuln/detail/CVE-2026-93994)
- [https://lists.apache.org/thread.html/9t3vsm8rnvwdv9779mlg1lq2fbwojdwp](https://lists.apache.org/thread.html/9t3vsm8rnvwdv9779mlg1lq2fbwojdwp)
- [http://www.openwall.com/lists/oss-security/2026/09/29/33](http://www.openwall.com/lists/oss-security/2026/09/29/33)

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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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