Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
@backstage plugin-catalog-backend-module-unprocessed affected
Version Status Constraints
< 0.6.11 affected —
@backstage plugin-catalog-unprocessed-entities affected
Version Status Constraints
< 0.2.30 affected —
@backstage plugin-catalog-unprocessed-entities-common affected
Version Status Constraints
< 0.0.15 affected —

No data.

No data.

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Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-p7g9-rp3g-mgfg Backstage: Catalog unprocessed read endpoints allow authenticated cross-owner data access without permission checks
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/backstage/backstage/security/advisories/GHSA-p7g9-rp3g-mgfg cve-icon cve-icon
History

Thu, 14 May 2026 15:15:00 +0000

Type Values Removed Values Added
Description Backstage is an open framework for building developer portals. Prior to 0.6.11, the unprocessed entities read endpoints in @backstage/plugin-catalog-backend-module-unprocessed do not enforce permission authorization checks. Any authenticated user can access unprocessed entity records regardless of ownership. This is an information disclosure vulnerability affecting Backstage installations using this module. This is patched in @backstage/plugin-catalog-backend-module-unprocessed version 0.6.11, @backstage/plugin-catalog-unprocessed-entities-common version 0.0.15 and @backstage/plugin-catalog-unprocessed-entities version 0.2.30.
Title Backstage: Catalog unprocessed read endpoints allow authenticated cross-owner data access without permission checks
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-14T14:30:04.945Z

Reserved: 2026-05-05T20:15:20.631Z

Link: CVE-2026-44374

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-14T15:16:48.250

Modified: 2026-05-14T15:16:48.250

Link: CVE-2026-44374

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T16:30:24Z

Weaknesses