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CVE-2026-15342

Quick assessment

Affected
Plane Plane
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.

Plane是Plane公司开源的一个开源、自托管的项目规划工具。 Plane 1.3.0及之前版本存在安全漏洞，该漏洞源于资产管理系统API中的多租户授权缺陷，允许已验证用户通过提供受害工作空间的slug和资产ID访问、删除或复制其他工作空间的资产，导致跨租户数据泄露、数据删除及将文件持续渗出到攻击者控制的控管空间。

AI Predicted 8.6 Difficulty: Easy EPSS 0.38% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
Plane Plane ≤ 1.3.0 affected
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I. Basic Information for CVE-2026-15342

Vulnerability Information
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Vulnerability Title
CVE-2026-15342
Source: CVE Program / CVE List V5
Vulnerability Description
Plane contains a multi‑tenant authorization flaw in its asset‑management API that allows authenticated users from one workspace to access, delete, or duplicate assets belonging to another workspace by providing only the victim workspace slug and asset ID. The affected endpoints return presigned file URLs and enable destructive or duplicative actions without verifying that the requester is a member of the targeted workspace. This enables cross‑tenant data exposure, data deletion, and persistent exfiltration of files into an attacker‑controlled workspace.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Plane 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Plane是Plane公司开源的一个开源、自托管的项目规划工具。 Plane 1.3.0及之前版本存在安全漏洞，该漏洞源于资产管理系统API中的多租户授权缺陷，允许已验证用户通过提供受害工作空间的slug和资产ID访问、删除或复制其他工作空间的资产，导致跨租户数据泄露、数据删除及将文件持续渗出到攻击者控制的控管空间。
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
Plane Plane 0 ~ 1.3.0 -

II. Public POCs for CVE-2026-15342

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III. Intelligence Information for CVE-2026-15342

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Vendor Advisories for CVE-2026-15342 (1)

Vendor Pages for CVE-2026-15342 (1)

IV. Related Vulnerabilities

Same product: Plane
Same vendor: Plane

V. Comments for CVE-2026-15342

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