Vulnerability · Published Oct 6, 2026 · Assigned by GitHub_M
CVE-2026-105847Payload: Polymorphic join queries could disclose hidden fields
High 7.1
In plain English
A high-severity information exposure in payload from payloadcms. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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, a user who can query a collection with a polymorphic join to sensitive fields can infer hidden or read-restricted values, including password-reset tokens, through polymorphic join filters. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | payload | 3.90.0 | GHSA-fpww-c55p-cjv6 |
| npm | payload | 4.0.0-canary.34 | GHSA-fpww-c55p-cjv6 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| payloadcms | payload | >= 3.0.0, < 3.90.0>= 4.0.0-canary.0, < 4.0.0-canary.34 |
Weakness: CWE-200, CWE-639 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N