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SCA: security update for org.yamcs:yamcs-core (GHSA-9272-wg2r-7xmx)

medium Tenable Cloud Security Plugin ID 448439

Description

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

 - Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs processes attacker-controlled data
 from the /ext URL route in yamcs-
 web/src/main/webapp/projects/webapp/src/app/core/routes/extension.matcher.ts, extension.component.ts, and
 app.component.ts without checking registered plugin IDs before DOM rendering through innerHTML. A crafted
 URL can execute JavaScript when opened by a user. The script can read data available to the Yamcs web
 application and perform actions in the user context. This issue is fixed in versions 5.12.8 and 5.13.2.
 (CVE-2026-55566)

Solution

Update the org.yamcs:yamcs-core library and its related packages to version 5.12.8 or later.

See Also

https://github.com/advisories/GHSA-9272-wg2r-7xmx

Plugin Details

Severity: Medium

ID: 448439

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 9/28/2026

Updated: 9/28/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-55566

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/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: 8/28/2026

Vulnerability Publication Date: 8/28/2026

Reference Information

CVE: CVE-2026-55566

cwe: CWE-79