CVE-2026-105846— Payload: Untrusted redirect URL parameter exploit
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 是一个免费且开源的无头内容管理系统。在 3.40.0 至 3.88.0 版本（不含 3.88.0）以及 4.0.0-canary.27 之前的 canary 版本中，攻击者可以构造一个重定向 URL 参数，在认证流程完成后，将访客用户引导至不受信任的目标地址。该问题已在 3.88.0 和 4.0.0-canary.27 版本中得到修复。
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I. Basic Information for CVE-2026-105846
Vulnerability Information
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Vulnerability Title
Payload: Untrusted redirect URL parameter exploit
Source: CVE Program / CVE List V5
Vulnerability Description
Payload is a free and open source headless content management system. In versions from 3.40.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an attacker can craft a redirect URL parameter that sends a guest user to an untrusted destination after the authentication flow completes. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| payloadcms | payload | >= 3.40.0, < 3.88.0 | - |
|
| @payloadcms | next | >= 3.31.0, < 3.88.0 | - |
|
II. Public POCs for CVE-2026-105846
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-105846 (3)
-
https://github.com/payloadcms/payload/releases/tag/v3.88.0 x_refsource_MISC
-
https://github.com/payloadcms/payload/security/advisories/GHSA-w84c-53h3-mc2g 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-2026-105849 | 7.7 HIGH | Payload: API key disclosure through ordinary document reads |
| 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-2026-105804 | 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
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 weakness: CWE-601
-
CVE-2026-80327
Open Redirect in PingGateway Fragment Filter -
CVE-2026-105128
LaraDashboard before 1.4.8 Open Redirect via Email Template -
CVE-2026-39600
WordPress Aculect AI Companion plugin <= 0.8.1 - Unvalidated -
CVE-2026-55252
OpenRun: Redirect URL validation bypass using //host paths -
CVE-2026-83589
Oauth-proxy: open redirect via /\ and /\t bypass in post-log
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