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CVE-2026-73658— Trigger.dev: Cross-tenant object store read and write via URL path traversal

Quick assessment

Affected
triggerdotdev trigger.dev
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.

Trigger.dev是Trigger.dev组织的一个工作流自动化开发框架。 Trigger.dev 4.4.2版本至4.5.0-rc.5之前版本存在安全漏洞，该漏洞源于Aws4FetchClient.buildUrl()和Aws4FetchClient.presign()函数将用户控制的数据包密钥分配给URL.pathname，且API端点未拒绝点段及验证资源所有权，可能导致具有有效环境API密钥的调用者获取其他租户的预签名URL，读取或覆盖任务负载。

CVSS 8.2 · High EPSS 0.41% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
triggerdotdev trigger.dev >= 4.4.2, < 4.5.0-rc.5 affected
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I. Basic Information for CVE-2026-73658

Vulnerability Information
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Vulnerability Title
Trigger.dev: Cross-tenant object store read and write via URL path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
Trigger.dev is a platform for building and deploying fully managed AI agents and workflows. From 4.4.2 until 4.5.0-rc.5, Aws4FetchClient.buildUrl() and Aws4FetchClient.presign() in apps/webapp/app/v3/objectStoreClient.server.ts assign user-controlled packet keys to URL.pathname, while apps/webapp/app/routes/api.v1.packets.$.ts accepts params["*"] without rejecting dot segments and uses findResource: async () => 1 without per-resource ownership validation. WHATWG path normalization collapses .. segments before signing, allowing a caller with a valid environment API key to obtain presigned URLs for another tenant's object-store keys and read or overwrite task payloads. This issue is fixed in version 4.5.0-rc.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Trigger.dev 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Trigger.dev是Trigger.dev组织的一个工作流自动化开发框架。 Trigger.dev 4.4.2版本至4.5.0-rc.5之前版本存在安全漏洞，该漏洞源于Aws4FetchClient.buildUrl()和Aws4FetchClient.presign()函数将用户控制的数据包密钥分配给URL.pathname，且API端点未拒绝点段及验证资源所有权，可能导致具有有效环境API密钥的调用者获取其他租户的预签名URL，读取或覆盖任务负载。
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
triggerdotdev trigger.dev >= 4.4.2, < 4.5.0-rc.5 -

II. Public POCs for CVE-2026-73658

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III. Intelligence Information for CVE-2026-73658

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Patches & Fixes for CVE-2026-73658 (2)

Vendor Advisories for CVE-2026-73658 (1)

Same Patch Batch · triggerdotdev · 2026-08-13 · 6 CVEs total

CVE-2026-73656 9.9 CRITICAL Trigger.dev: Cross-project deployment worker registration can modify another project's dep
CVE-2026-73654 8.5 HIGH Trigger.dev: Prototype pollution via run metadata operations → process-wide cross-tenant D
CVE-2026-73659 8.1 HIGH Trigger.dev: Cross-tenant object read/write via path traversal in packet presign API
CVE-2026-73655 7.4 HIGH Trigger.dev: Account Takeover via Cross-Provider OAuth Email Matching in Google Login
CVE-2026-73657 4.2 MEDIUM Trigger.dev: Cross-tenant payload poisoning via packet write + replay

IV. Related Vulnerabilities

Same product: trigger.dev
Same vendor: triggerdotdev
Same weakness: CWE-20

V. Comments for CVE-2026-73658

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