CVE-2026-105849— Payload: API key disclosure through ordinary document reads
Quick assessment
Affected
payloadcms payload
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.
Payload 是一款免费且开源的无头（headless）内容管理系统。在 3.0.0 至 3.90.0 版本之间（不含 3.90.0），以及在 4.0.0-canary.34 之前的 canary 版本中，如果集合（collection）启用了 useAPIKey 功能，普通读取权限用户即可获取同一集合中其他认证文档的活动 API 密钥，并利用这些密钥冒充目标账户执行操作，直到这些密钥被轮换或禁用为止。该问题已在 3.90.0 和 4.0.0-canary.34 版本中得到修复。
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I. Basic Information for CVE-2026-105849
Vulnerability Information
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Vulnerability Title
Payload: API key disclosure through ordinary document reads
Source: CVE Program / CVE List V5
Vulnerability Description
Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, users with ordinary read access to other authentication documents in a collection with useAPIKey enabled can obtain active API keys and exercise the target accounts' permissions until those keys are rotated or disabled. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| payloadcms | payload | >= 3.0.0, < 3.90.0 | - |
|
II. Public POCs for CVE-2026-105849
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-105849 (3)
-
https://github.com/payloadcms/payload/releases/tag/v3.90.0 x_refsource_MISC
-
https://github.com/payloadcms/payload/security/advisories/GHSA-238x-w2j9-gwwr x_refsource_CONFIRM
Same Patch Batch · payloadcms · 2026-10-06 · 21 CVEs total
| CVE-2026-105857 | 10.0 CRITICAL | Payload: RCE in Payload Form Builder |
| CVE-2026-105845 | 9.8 CRITICAL | Payload: SQL Injection in SQLite and Postgres |
| CVE-2026-105859 | 9.8 CRITICAL | Payload: Unauthorized update to collection documents |
| CVE-2026-105844 | 9.3 CRITICAL | Payload: Prototype pollution in Payload Import Export plugin |
| CVE-2026-105851 | 9.3 CRITICAL | Payload: Field access control bypass on auth collections |
| CVE-2026-105850 | 8.8 HIGH | Payload: Order confirmation validation issue in Payload Ecommerce |
| CVE-2026-105854 | 8.7 HIGH | Payload: ReDoS in Multipart Content-Type Validation |
| CVE-2026-105856 | 8.6 HIGH | Payload: SQL injection in SQLite/Postgres |
| CVE-2026-105806 | 8.6 HIGH | Payload: Improper access control for MCP API keys |
| CVE-2026-105858 | 8.1 HIGH | Payload: Remote Code Execution through first-register |
| CVE-2026-105855 | 7.6 HIGH | Payload: Field-level password update restrictions were not enforced |
| CVE-2026-105861 | 7.2 HIGH | Payload external upload trust validation issue |
| CVE-2026-105847 | 7.1 HIGH | Payload: Polymorphic join queries could disclose hidden fields |
| CVE-2026-105860 | 7.1 HIGH | Payload: Tenant authorization bypass in Multi-Tenant Plugin |
| CVE-2026-105853 | 7.1 HIGH | Payload: Token refresh and password reset responses may expose restricted user fields |
| CVE-2026-105852 | 6.9 MEDIUM | Payload relationship-query authorization bypass |
| CVE-2026-105805 | 6.9 MEDIUM | Payload: Sort queries could expose protected field information |
| CVE-2026-105848 | 6.4 MEDIUM | Payload: Insufficient Access Control in Stripe REST Proxy |
| CVE-2026-105846 | 6.1 MEDIUM | Payload: Untrusted redirect URL parameter exploit |
| CVE-2026-105804 | 5.7 MEDIUM | Payload: Password hashes use insufficient PBKDF2 iterations |
IV. Related Vulnerabilities
Same product: payload
-
CVE-2026-105861
Payload external upload trust validation issue -
CVE-2026-105860
Payload: Tenant authorization bypass in Multi-Tenant Plugin -
CVE-2026-105859
Payload: Unauthorized update to collection documents -
CVE-2026-105858
Payload: Remote Code Execution through first-register -
CVE-2026-105857
Payload: RCE in Payload Form Builder
Same vendor: payloadcms
-
CVE-2026-105861
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CVE-2026-105859
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CVE-2026-105858
Payload: Remote Code Execution through first-register -
CVE-2026-105857
Payload: RCE in Payload Form Builder
Same weakness: CWE-201
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