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SCA: security update for @apify/actors-mcp-server (GHSA-jwp7-wg77-3w9v)

medium Tenable Self-Hosted Container Security Plugin ID 442146

Description

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

 - The Apify MCP server enables AI agents to extract data from websites using ready-made scrapers, crawlers,
 and automation tools available on the Apify Store. Prior to 0.9.21, the fetch-apify-docs tool in
 src/tools/common/fetch_apify_docs.ts validates allowlisted documentation domains with String.startsWith()
 rather than URL hostname comparison, allowing attacker-controlled URLs such as
 `https://docs.apify.com.evil.com/` and `https://[email protected]/` to pass the ALLOWED_DOC_DOMAINS
 check and return arbitrary fetched content to the LLM. This issue is fixed in version 0.9.21.
 (CVE-2026-46341)

Solution

Update the @apify/actors-mcp-server library and its related packages to version 0.9.21 or later.

See Also

https://github.com/advisories/GHSA-jwp7-wg77-3w9v

Plugin Details

Severity: Medium

ID: 442146

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 5/19/2026

Updated: 7/20/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.39

Vendor

Vendor Severity: Medium

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-2026-46341

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/19/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-46341