---
title: "CVE-2026-108157: Pingvin Share X - Authentication Bypass"
description: "Pingvin Share X > 0.19.0 and < 1.22.0 contains an authentication bypass caused by missing email_verified check in GenericOidcProvider during OAuth email linking, letting remote unauthenticated attackers take over accounts including administrators, exploit requires enabled OAuth/OIDC provider and unverified victim email."
url: https://panop.io/threat-heartbeat/CVE-2026-108157/
---

# CVE-2026-108157 Pingvin Share X - Authentication Bypass

Pingvin Share X > 0.19.0 and < 1.22.0 contains an authentication bypass caused by missing email\_verified check in GenericOidcProvider during OAuth email linking, letting remote unauthenticated attackers take over accounts including administrators, exploit requires enabled OAuth/OIDC provider and unverified victim email.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.53% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-108157)

## 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

9 October 2026

Updated

15 October 2026

Weakness

[CWE-287](https://cwe.mitre.org/data/definitions/287.html)

## Vendor fix

Update to version 1.22.0 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-2026-108157](https://nvd.nist.gov/vuln/detail/CVE-2026-108157)
- [https://www.vulncheck.com/advisories/pingvin-share-x-0.19.0-before-1.22.0-account-takeover-via-oauth-email-linking](https://www.vulncheck.com/advisories/pingvin-share-x-0.19.0-before-1.22.0-account-takeover-via-oauth-email-linking)
- [https://github.com/smp46/pingvin-share-x](https://github.com/smp46/pingvin-share-x)
- [https://github.com/smp46/pingvin-share-x/blob/de7ffecf9bfc4976993149a5c4c98efe35161424/backend/src/oauth/oauth.service.ts#L158-L175](https://github.com/smp46/pingvin-share-x/blob/de7ffecf9bfc4976993149a5c4c98efe35161424/backend/src/oauth/oauth.service.ts#L158-L175)
- [https://github.com/smp46/pingvin-share-x/commit/07aa8c0a96030c439e9018ce94a2778bd37304e6](https://github.com/smp46/pingvin-share-x/commit/07aa8c0a96030c439e9018ce94a2778bd37304e6)
- [https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0](https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0)
- [https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-wrcg-4874-45p7](https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-wrcg-4874-45p7)

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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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