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CVE-2026-121631— Lightdash 0.2609.0 before 3.137.0 Cross-Project IDOR via RenameService Dashboard Endpoints

Quick assessment

Affected
lightdash lightdash
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.

Lightdash 0.2609.0 至 3.137.0 之前的版本中，RenameService 存在一个授权绕过漏洞。该漏洞允许拥有“更新项目”权限的已认证用户，访问并修改属于其他项目的仪表盘。其根本原因是系统未能验证 URL 中的 projectUuid 是否与目标仪表盘所属项目的 projectUuid 一致。攻击者可构造恶意的 POST 请求发送至 端点，以篡改其他项目中仪表盘的筛选条件并破坏图表；也可发送 GET 请求至 端点，读取其无权访问的项目中的字段元数据。

CVSS 4.2 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
lightdash lightdash 0.2609.0< 3.137.0 affected
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I. Basic Information for CVE-2026-121631

Vulnerability Information
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Vulnerability Title
Lightdash 0.2609.0 before 3.137.0 Cross-Project IDOR via RenameService Dashboard Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
Lightdash 0.2609.0 before 3.137.0 contains an authorization bypass vulnerability in the RenameService that allows authenticated users with update Project permission on one project to access and modify dashboards belonging to a different project, caused by the failure to verify that the projectUuid from the URL matches the projectUuid of the target dashboard. Attackers can send crafted POST requests to the rename/dashboard endpoint to modify foreign dashboard filters and break charts, or send GET requests to the rename/dashboard/fields endpoint to read field metadata from projects they do not have access to.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
lightdash lightdash 0.2609.0 ~ 3.137.0 -

II. Public POCs for CVE-2026-121631

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-121631

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Other References for CVE-2026-121631 (3)

IV. Related Vulnerabilities

Same product: lightdash
Same vendor: lightdash
Same weakness: CWE-639