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SCA: security update for @feathersjs/authentication-oauth (GHSA-ppf9-4ffw-hh4p)

high Tenable Self-Hosted Container Security Plugin ID 437885

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript.
 Versions 5.0.39 and below the redirect query parameter is appended to the base origin without validation,
 allowing attackers to steal access tokens via URL authority injection. This leads to full account
 takeover, as the attacker obtains the victim's access token and can impersonate them. The application
 constructs the final redirect URL by concatenating the base origin with the user-supplied redirect
 parameter. This is exploitable when the origins array is configured and origin values do not end with /.
 An attacker can supply @attacker.com as the redirect value results in
 https://[email protected]#access_token=..., where the browser interprets attacker.com as the host,
 leading to full account takeover. This issue has been fixed in version 5.0.40. (CVE-2026-27191)

See Also

https://github.com/advisories/GHSA-ppf9-4ffw-hh4p

Plugin Details

Severity: High

ID: 437885

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 2/20/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2026-27191

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.4

Threat Score: 4.5

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/19/2026

Vulnerability Publication Date: 2/19/2026

Reference Information

CVE: CVE-2026-27191

cwe: CWE-601