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 |
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-44374
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
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)
Vulnerability Title
Backstage 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Backstage是Backstage开源的一个应用软件。后台是一个开放的平台，用于构建开发者门户。 Backstage 0.6.11之前版本存在安全漏洞，该漏洞源于@backstage/plugin-catalog-backend-module-unprocessed中未处理实体读取端点未强制执行权限授权检查，任何经过身份验证的用户均可访问未处理实体记录，导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China 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 |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-44374
请登录查看更多情报信息。
IV. Related Vulnerabilities
Same weakness: CWE-863
- CVE-2026-28732
Slash command trigger-word update allowed command hijacking - CVE-2026-6343
Mattermost Playbooks Plugin fails to enforce view permission - CVE-2026-4286
Playbooks Plugin fails to validate team transfers, allowing - CVE-2026-6341
Incomplete group locking implementation - CVE-2026-6342
Group prefix matching bypass for subscriptions
V. Comments for CVE-2026-44374
No comments yet