---
title: "CVE-2026-82842: SAML Single Sign On WordPress plugin - Authentication Bypass"
description: "SAML Single Sign On WordPress plugin < 6.0.0 contains an authentication bypass caused by ignoring configured criteria for linking SSO identities, letting attackers authenticate as any account by asserting arbitrary login names, exploit requires control over identity provider assertions."
url: https://panop.io/threat-heartbeat/CVE-2026-82842/
---

# CVE-2026-82842 SAML Single Sign On WordPress plugin - Authentication Bypass

SAML Single Sign On WordPress plugin < 6.0.0 contains an authentication bypass caused by ignoring configured criteria for linking SSO identities, letting attackers authenticate as any account by asserting arbitrary login names, exploit requires control over identity provider assertions.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.37% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82842)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

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

Published

20 September 2026

Updated

15 October 2026

Weakness

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

## Vendor fix

Update to version 6.0.0 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-2026-82842](https://nvd.nist.gov/vuln/detail/CVE-2026-82842)
- [https://wpscan.com/vulnerability/4ae66b2c-a0de-405f-baca-127302257540/](https://wpscan.com/vulnerability/4ae66b2c-a0de-405f-baca-127302257540/)

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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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