CVE-2026-106493EPSS p16.2%

CVE-2026-106493CVE-2026-106493

Description

Backstage is an open framework for building developer portals. Prior to 1.54.6, cloud storage catalog providers did not sufficiently validate object paths. A principal able to create or rename objects in a configured Azure Blob Storage or AWS S3 catalog source could cause catalog descriptors to be read from outside the intended storage boundary, limited to locations reachable with the backend's configured credentials. This issue is fixed in 1.54.6.

Scoring

CVSS 3.0 ()
VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N
EPSS0.26% probability of exploitation · percentile 16.2% · 2026-10-10T12:00:23Z
Last modified2026-10-07
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.