CVE-2026-106461— Backstage: Incorrect authorization in scaffolder task listing
Quick assessment
Affected
backstage backstage
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Backstage 是一个用于构建开发者门户的开源框架。在 4.1.0 版本之前，@backstage/plugin-scaffolder-backend 包存在权限校验不当的安全问题，可能导致在列出 scaffolder 任务时授权错误。经过身份验证的内部用户可能能够查看超出部署权限策略所规定可见范围的其他 scaffolder 任务的元数据。受影响的响应中不包含存储的任务密钥，且未发现对数据完整性或可用性的影响。该问题已在 4.1.0 版本中得到修复。
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I. Basic Information for CVE-2026-106461
Vulnerability Information
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Vulnerability Title
Backstage: Incorrect authorization in scaffolder task listing
Source: CVE Program / CVE List V5
Vulnerability Description
Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by incorrect authorization in scaffolder task listing. An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact was identified. This issue is fixed in version 4.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| backstage | backstage | < 1.54.6 | - |
|
| @backstage | plugin-scaffolder-backend | < 4.1.0 | - |
|
II. Public POCs for CVE-2026-106461
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Pages for CVE-2026-106461 (1)
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🔗 Release v1.54.6 · backstage/backstage · GitHub x_refsource_MISC
Other References for CVE-2026-106461 (2)
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https://github.com/backstage/backstage/security/advisories/GHSA-7hfw-grcm-cqm6 x_refsource_CONFIRM
Same Patch Batch · backstage · 2026-10-06 · 18 CVEs total
| CVE-2026-106486 | 8.5 HIGH | Backstage: Improper filesystem validation in Bitbucket pull-request scaffolder actions |
| CVE-2026-106459 | 8.5 HIGH | Backstage: Improper input validation in Sentry scaffolder actions |
| CVE-2026-106488 | 8.1 HIGH | Backstage: Improper authentication in the OIDC provider |
| CVE-2026-106455 | 7.7 HIGH | Backstage: Improper validation of MkDocs plugin configuration in TechDocs |
| CVE-2026-106492 | 7.6 HIGH | Backstage: Improper preservation of access restrictions during service credential delegati |
| CVE-2026-106460 | 6.8 MEDIUM | Backstage: Explicit negative email verification can be ignored during shared OAuth profile |
| CVE-2026-106457 | 6.8 MEDIUM | Backstage: Insufficient audience validation in the Cloudflare Access auth provider |
| CVE-2026-106458 | 6.5 MEDIUM | Backstage: Inconsistent repository filtering in Bitbucket Server catalog event updates |
| CVE-2026-106490 | 6.5 MEDIUM | Backstage: Improper input validation in TechDocs static content requests |
| CVE-2026-106489 | 6.5 MEDIUM | Backstage: Improper authorization enforcement for TechDocs static content |
| CVE-2026-106462 | 6.4 MEDIUM | Backstage: Scaffolder credential handling may allow unintended GitHub authentication fallb |
| CVE-2026-106491 | 6.4 MEDIUM | Backstage: Improper input validation in proxy-backend |
| CVE-2026-106463 | 5.4 MEDIUM | Backstage: Improper authorization in GitLab organizational user ingestion |
| CVE-2026-106456 | 4.8 MEDIUM | Backstage: Inconsistent credential enforcement for overlapping proxy routes |
| CVE-2026-106494 | 4.4 MEDIUM | Backstage: Improper input validation in cloud storage URL readers |
| CVE-2026-106487 | 3.5 LOW | Backstage: Unsupported catalog cluster authentication mode in kubernetes backend |
| CVE-2026-106493 | 3.0 LOW | Backstage: Cloud storage catalog locations may cross configured storage boundaries |
IV. Related Vulnerabilities
Same product: backstage
-
CVE-2026-106494
Backstage: Improper input validation in cloud storage URL re -
CVE-2026-106493
Backstage: Cloud storage catalog locations may cross configu -
CVE-2026-106492
Backstage: Improper preservation of access restrictions duri -
CVE-2026-106491
Backstage: Improper input validation in proxy-backend -
CVE-2026-106490
Backstage: Improper input validation in TechDocs static cont
Same vendor: backstage
-
CVE-2026-106494
Backstage: Improper input validation in cloud storage URL re -
CVE-2026-106493
Backstage: Cloud storage catalog locations may cross configu -
CVE-2026-106492
Backstage: Improper preservation of access restrictions duri -
CVE-2026-106491
Backstage: Improper input validation in proxy-backend -
CVE-2026-106490
Backstage: Improper input validation in TechDocs static cont
Same weakness: CWE-863
-
CVE-2026-106463
Backstage: Improper authorization in GitLab organizational u -
CVE-2026-106458
Backstage: Inconsistent repository filtering in Bitbucket Se -
CVE-2026-106456
Backstage: Inconsistent credential enforcement for overlappi -
CVE-2026-103007
Incorrect Authorization in Elasticsearch Leading to Privileg -
CVE-2026-102412
Incorrect Authorization in Kibana Leading to Sensitive Infor
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