Dashboard / CVE-2026-106458

CVE-2026-106458

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 63/100
Published: 2026-10-06 Modified: 2026-10-27 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: High
A: None

Description

Backstage is an open framework for building developer portals. From 0.4.0 until 0.5.15, the @backstage/plugin-catalog-backend-module-bitbucket-server package is affected by inconsistent repository filtering in bitbucket server catalog event updates. Deployments using event-driven updates in the Bitbucket Server catalog provider may ingest catalog locations from repositories that are excluded by the provider's configured project, repository, or archived-repository filters. An authenticated Bitbucket Server user who can push to a filtered-out repository that remains readable by the configured Backstage integration can trigger a legitimate repository event. The affected event path may then add a Location for that repository even though scheduled discovery excludes it. This issue is fixed in version 0.5.15.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
linuxfoundation backstage 1.38.0 – 1.55.0
linuxfoundation backstage\/plugin-catalog-backend-module-bitbucket-server 0.4.0 – 0.5.15

References & Advisories (3)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.27%
Raw Score 0.002680
Percentile 19.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00268
2026-10-28
0.00268

Intelligence Sources

nvd ref →

External Links