---
title: "CVE-2026-92161: FriendsOfFlarum OAuth - Authentication Bypass"
description: "FriendsOfFlarum OAuth < 1.7.4 and < 2.0.0-beta.4 contains an authentication bypass caused by improper verification of Discord OAuth email addresses, letting unauthenticated attackers link attacker-controlled Discord accounts to existing users and authenticate as them without passwords, exploit requires victim's email not linked to Discord."
url: https://panop.io/threat-heartbeat/CVE-2026-92161/
---

# CVE-2026-92161 FriendsOfFlarum OAuth - Authentication Bypass

FriendsOfFlarum OAuth < 1.7.4 and < 2.0.0-beta.4 contains an authentication bypass caused by improper verification of Discord OAuth email addresses, letting unauthenticated attackers link attacker-controlled Discord accounts to existing users and authenticate as them without passwords, exploit requires victim's email not linked to Discord.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.27% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-92161)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

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

Published

25 September 2026

Updated

15 October 2026

Weakness

[CWE-345](https://cwe.mitre.org/data/definitions/345.html)

## Vendor fix

Update to versions 1.7.4 or 2.0.0-beta.4 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-2026-92161](https://nvd.nist.gov/vuln/detail/CVE-2026-92161)
- [https://github.com/FriendsOfFlarum/oauth/commit/baca3466b3b7be51c70a7e0ba966901aefeb344a](https://github.com/FriendsOfFlarum/oauth/commit/baca3466b3b7be51c70a7e0ba966901aefeb344a)
- [https://github.com/FriendsOfFlarum/oauth/commit/bb4bf376832e6bb68c579715d2a4b5a92c4a2567](https://github.com/FriendsOfFlarum/oauth/commit/bb4bf376832e6bb68c579715d2a4b5a92c4a2567)
- [https://github.com/FriendsOfFlarum/oauth/releases/tag/1.7.4](https://github.com/FriendsOfFlarum/oauth/releases/tag/1.7.4)
- [https://github.com/FriendsOfFlarum/oauth/releases/tag/2.0.0-beta.4](https://github.com/FriendsOfFlarum/oauth/releases/tag/2.0.0-beta.4)
- [https://github.com/FriendsOfFlarum/oauth/security/advisories/GHSA-g7vj-c29h-3h5m](https://github.com/FriendsOfFlarum/oauth/security/advisories/GHSA-g7vj-c29h-3h5m)

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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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