P5Verified

CVE-2026-106456: backstage >= 1.28.0, < 1.55.0; +1 more affected products

CVE-2026-106456. CVSS 3.1 base score 4.8 (MEDIUM, Vendor/CNA).

Affected technology

backstage · >= 1.28.0, < 1.55.0
backstage

plugin-proxy-backend · >= 0.5.0, < 0.6.18
@backstage

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 4.8/10) rates confidentiality and integrity impact as low; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-07 02:35:19.890251+00:00

CWE: CWE-863
CCR priority: 19.2 /100 (P5)
CVSS 3.1: 4.8 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 02:34:12.333111+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-106456.html