Detections
Analytics

SCA: security update for astro (GHSA-8hv8-536x-4wqp)

medium Tenable Self-Hosted Container Security Plugin ID 443278

Description

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

 - Astro is a web framework. Prior to 6.3.3, when a component uses a client:* directive, Astro inserts named
 slot content into a data-astro-template attribute without HTML escaping the slot name allowing an attacker
 to break out of the attribute context and inject arbitrary HTML, resulting in reflected XSS during SSR.
 This vulnerability is fixed in 6.3.3. (CVE-2026-50146)

Solution

Update the astro library and its related packages to version 6.3.3 or later.

See Also

https://github.com/advisories/GHSA-8hv8-536x-4wqp

Plugin Details

Severity: Medium

ID: 443278

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 6/16/2026

Updated: 7/6/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.49

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-50146

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

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:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/16/2026

Vulnerability Publication Date: 6/16/2026

Reference Information

CVE: CVE-2026-50146