CVE-2026-44374— Backstage: Catalog unprocessed read endpoints allow authenticated cross-owner data access without permission checks
Possible ATT&CK Techniques 1AI
T1530 · Data from Cloud StorageAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| @backstage | plugin-catalog-backend-module-unprocessed | < 0.6.11 | affected |
| @backstage | plugin-catalog-unprocessed-entities | < 0.2.30 | affected |
| @backstage | plugin-catalog-unprocessed-entities-common | < 0.0.15 | affected |
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I. Basic Information for CVE-2026-44374
Vulnerability Information
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Vulnerability Title
Backstage: Catalog unprocessed read endpoints allow authenticated cross-owner data access without permission checks
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| @backstage | plugin-catalog-backend-module-unprocessed | < 0.6.11 | - | |
| @backstage | plugin-catalog-unprocessed-entities | < 0.2.30 | - | |
| @backstage | plugin-catalog-unprocessed-entities-common | < 0.0.15 | - |
II. Public POCs for CVE-2026-44374
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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IV. Related Vulnerabilities
Same weakness: CWE-863
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