---
title: "CVE-2026-101294: IBM WebSphere Application Server - Authentication Bypass"
description: "IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10, 8.5, and 9.0 contain a cryptographic signature verification bypass caused by improper verification of cryptographic signatures, letting remote attackers bypass signature verification, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-101294/
---

# CVE-2026-101294 IBM WebSphere Application Server - Authentication Bypass

IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10, 8.5, and 9.0 contain a cryptographic signature verification bypass caused by improper verification of cryptographic signatures, letting remote attackers bypass signature verification, exploit requires network access.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.21% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-101294)

## Details

Type

Authentication Bypass

CVSS vector

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

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-325](https://cwe.mitre.org/data/definitions/325.html)

## Vendor fix

Update to 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-2026-101294](https://nvd.nist.gov/vuln/detail/CVE-2026-101294)
- [https://www.ibm.com/support/pages/node/7292235](https://www.ibm.com/support/pages/node/7292235)

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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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