PayloadCMS vulnerabilities
We track 28 vulnerabilities in PayloadCMS products across 9 products. 28 are rated high or critical, and none are known to be exploited. The most recent was published on October 6, 2026.
Latest PayloadCMS vulnerabilities
- 7.1 High severity
payload: Authorization Bypass Through User-Controlled Key
Payload is a free and open source headless content management system. In @payloadcms/db-mongodb versions before 3.87.0 and canary versions before 4.0.0-canary.20, an authenticated user who can update a document can modify fields that field-level write access c
- 7.1 High severity
payload: Unrestricted Upload of File with Dangerous Type
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Pa
- 7.5 High severity
payload: Improper Restriction of Excessive Authentication Attempts
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a
- 8.1 High severity
payload: Improper Limitation of a Pathname to a Restricted Directory
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user who can update or delete uploads stored locally can cause file cleanup to remove unintended files
- 9.4 Critical severity
payload: Authentication Bypass by Spoofing
Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, a custom field option that maps a field to a reserved authentication claim name can place unintended values in the authentication token issued at l
- 8.7 High severity
payload: Improper Neutralization of Input During Web Page Generation
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, a collection that allows downloadable SVG uploads can store a malicious SVG that bypasses sanitization and executes atta
- 8.2 High severity
payload: Exposure of Sensitive Information to an Unauthorized Actor
Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, authenticated external URL-based upload retrieval can forward authentication data to a redirected destination that was not verified as trusted, pot
- 7.1 High severity
payload: Missing Authorization
Payload is a free and open source headless content management system. In @payloadcms/plugin-multi-tenant versions before 3.90.0 and canary versions before 4.0.0-canary.34, the default tenant array field access allows an authenticated user to assign the user's
- 9.8 Critical severity
payload: Authorization Bypass Through User-Controlled Key
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an attacker can submit a request to a specific update endpoint that modifies collection documents without enforcing coll
- 8.1 High severity
payload: Improper Control of Generation of Code
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, a crafted request to the public first-register operation can execute code remotely when local authentication is enabled
- 10.0 Critical severity
payload: Improper Control of Generation of Code
Payload is a free and open source headless content management system. In @payloadcms/plugin-form-builder versions before 3.90.0 and canary versions before 4.0.0-canary.34, an attacker can craft a form submission that executes code remotely on the server. This
- 8.3 High severity
payload: Improper Neutralization of Special Elements used in an SQL Command
Payload is a free and open source headless content management system. Prior to 3.90.0 and 4.0.0-canary.34, an attacker with read and create or update access to a collection containing a json field or a blocks field with blocksAsJSON enabled can inject SQL thro
- 7.1 High severity
payload: Improper Access Control
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, the server fails to enforce a field-level access.update restriction on the password field of an authentication collectio
- 7.5 High severity
payload: Uncontrolled Resource Consumption
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 malformed multipart request body can cause multipart Content-Type processing to take an extremely long time
- 7.5 High severity
payload: Missing Authorization
Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, querying a readable collection with a relationship to another collection can expose information about related documents
- 8.1 High severity
payload: Improper Access Control
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, the duplicate operation copies values from a source document even when a field is hidden or its access.read o
- 8.2 High severity
payload: Improper Enforcement of a Single, Unique Action
Payload is a free and open source headless content management system. In @payloadcms/plugin-ecommerce versions before 3.90.0 and canary versions before 4.0.0-canary.34, use of the Stripe payment adapter can allow a Stripe order confirmation to be processed mor
- 8.3 High severity
payload: Insertion of Sensitive Information Into Sent Data
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
- 9.6 Critical severity
payload: Exposed Dangerous Method or Function
Payload is a free and open source headless content management system. In @payloadcms/plugin-stripe versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user who can reach the enabled optional Stripe REST proxy can perform uninten
- 9.8 Critical severity
payload: Improper Neutralization of Special Elements used in an SQL Command
Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an untrusted user who can query readable collections through dynamic filters or joins can submit a request th
- 9.3 Critical severity
payload: Improperly Controlled Modification of Object Prototype Attributes
Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an unauthenticated user can submit prototype-sensitive field paths when @payloadcms/plugin-import-export is e
- 8.6 High severity
payload: Missing Authorization
Payload is a free and open source headless content management system. In @payloadcms/plugin-mcp versions from 3.61.0 until 3.88.0, an authenticated user can manage MCP API keys outside the intended account, enabling privilege escalation through account takeove
- 8.7 High severity
payload: Improper Neutralization of Input During Web Page Generation
Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/next, a stored Cross-Site Scripting (XSS) vulnerability existed in the admin panel. An authenticated user with write access to a collection could save
- 8.2 High severity
payload: Improper Neutralization of Special Elements used in an SQL Command
Payload is a free and open source headless content management system. Prior to version 3.79.1, certain request inputs were not properly validated. An attacker could craft requests that influence SQL query execution, potentially exposing or modifying data in co
- 7.7 High severity
payload: Server-Side Request Forgery
Payload is a free and open source headless content management system. Prior to version 3.79.1, an authenticated Server-Side Request Forgery (SSRF) vulnerability exists in the upload functionality. Authenticated users with create or update access to an upload-e
- 9.1 Critical severity
payload: External Control of Assumed-Immutable Web Parameter
Payload is a free and open source headless content management system. Prior to version 3.79.1 in @payloadcms/graphql and payload, a vulnerability in the password recovery flow could allow an unauthenticated attacker to perform actions on behalf of a user who i
- 9.8 Critical severity
payload: Improper Neutralization of Special Elements used in an SQL Command
Payload is a free and open source headless content management system. Prior to 3.73.0, when querying JSON or richText fields, user input was directly embedded into SQL without escaping, enabling blind SQL injection attacks. An unauthenticated attacker could ex
- 9.8 Critical severity
Payload: Unrestricted Upload of File with Dangerous Type
An arbitrary file upload vulnerability in the file upload module of PayloadCMS v0.15.0 allows attackers to execute arbitrary code via a crafted SVG file.