SCA: security update for symfony/ux-live-component (GHSA-4m4j-hmqq-3gxm)

low Tenable Self-Hosted Container Security Plugin ID 443740

Description

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

- Symfony UX is a JavaScript ecosystem for Symfony. From 2.22.0 until 2.36.0 and 3.1.0,
Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::isLiveComponentRequest() gates
#[LiveAction] invocations on Accept: application/vnd.live-component+html, but the Accept header is CORS-
safelisted and cross-origin fetch() can set it without preflight, allowing forged cross-origin
#[LiveAction] requests against a victim session when applications use SameSite=None, credentials:
'include', a permissive cookie policy, or a same-origin pivot. This issue is fixed in versions 2.36.0 and
3.1.0. (CVE-2026-49215)

Solution

Update the symfony/ux-live-component library and its related packages to version 2.36.0 or later.

Plugin Details

Severity: Low

ID: 443740

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 6/20/2026

Updated: 7/21/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.85

Vendor

Vendor Severity: Low

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-2026-49215

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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

CVSS v4

Risk Factor: Low

Base Score: 2.1

Threat Score: 0.5

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2026

Vulnerability Publication Date: 6/19/2026

Reference Information

CVE: CVE-2026-49215

cwe: CWE-352

Detections

Analytics