Detections
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SCA: security update for @koa/router (GHSA-47p6-69vm-vw6v)

medium Tenable Self-Hosted Container Security Plugin ID 444171

Description

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

 - Versions of the package @koa/router from 14.0.0 and before 15.0.0 are vulnerable to Access Control Bypass
 due to the middleware being silently dropped from the execution chain when the router prefix contains path
 parameters. Depending on what the skipped middleware was supposed to protect, an attacker could bypass
 authentication and authorization, evade rate limiting or bypass input sanitization. (CVE-2026-9495)

Solution

Update the @koa/router library and its related packages to version 15.0.0 or later.

See Also

https://github.com/advisories/GHSA-47p6-69vm-vw6v

Plugin Details

Severity: Medium

ID: 444171

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/30/2026

Updated: 6/30/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-9495

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/26/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-9495

cwe: CWE-284