# @feathersjs/authentication-oauth (npm) vulnerabilities

4 known vulnerabilities (1 critical, 3 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 5.0.52 (Oct 28, 2026): no advisory affects it
- Newest unaffected release: 5.0.52 (Oct 28, 2026), the latest release
- Weekly downloads: 38.2K
- Dependents: 23
- Releases: 132 since 4.3.0 (Aug 27, 2019)
- Registry: https://www.npmjs.com/package/@feathersjs/authentication-oauth
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-29792: 5.0.0 to 5.0.41 (5.0.42 is outside it)
- CVE-2026-27193: 4.0.0-pre.0 to 5.0.39 (5.0.40 is outside it)
- CVE-2026-27192: 4.0.0-pre.0 to 5.0.39 (5.0.40 is outside it)
- CVE-2026-27191: 4.0.0-pre.0 to 5.0.39 (5.0.40 is outside it)

## Advisories (4)

### [CVE-2026-29792](https://cve.now/CVE-2026-29792): Feathersjs has an OAuth Callback Account Takeover

- Severity: Critical 9.3
- Published: Mar 10, 2026
- Affected: from 5.0.0, fixed in 5.0.42.
- Fixed in 5.0.42 (released Mar 4, 2026, 6 days before disclosure).
- The latest release, 5.0.52, is not affected.
- 15% of @feathersjs/authentication-oauth downloads last week were affected versions (5.9K).

### [CVE-2026-27193](https://cve.now/CVE-2026-27193): Feathers exposes internal headers via unencrypted session cookie

- Severity: High 8.2
- Published: Feb 21, 2026
- Affected: fixed in 5.0.40.
- Fixed in 5.0.40 (released Feb 3, 2026, 18 days before disclosure).
- The latest release, 5.0.52, is not affected.
- 31% of @feathersjs/authentication-oauth downloads last week were affected versions (12.3K).

### [CVE-2026-27192](https://cve.now/CVE-2026-27192): Feathers has an origin validation bypass via prefix matching

- Severity: High 7.6
- Published: Feb 21, 2026
- Affected: fixed in 5.0.40.
- Fixed in 5.0.40 (released Feb 3, 2026, 18 days before disclosure).
- The latest release, 5.0.52, is not affected.
- 31% of @feathersjs/authentication-oauth downloads last week were affected versions (12.3K).

### [CVE-2026-27191](https://cve.now/CVE-2026-27191): Feathers: Open Redirect in OAuth callback enables account takeover

- Severity: High 7.4
- Published: Feb 21, 2026
- Affected: fixed in 5.0.40.
- Fixed in 5.0.40 (released Feb 3, 2026, 18 days before disclosure).
- The latest release, 5.0.52, is not affected.
- 31% of @feathersjs/authentication-oauth downloads last week were affected versions (12.3K).

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