CVE-2026-43930

CVE-2026-43930 affects Parse Server. A race condition in the MFA SMS OTP login path before 8.6.76 and 9.9.0-alpha.2 can allow two concurrent /login requests carrying the same OTP to succeed, producing two valid session tokens. Impact is breaking single-use OTP; attacker must already know the vict...

CVE-2026-30848

Parse Server’s PagesRouter is vulnerable to a path traversal issue prior to versions 8.6.8 and 9.5.0-alpha.8. The boundary check uses a string prefix comparison without enforcing a directory separator boundary, enabling unauthenticated access to files outside the configured pagesPath by traversal...

CVE-2026-31901

Parse Server has a user-enumeration vulnerability via the email verification endpoint /verificationEmailRequest. Before versions 8.6.34 and 9.6.0-alpha.8, responses differ depending on whether the email belongs to an existing user, is already verified, or does not exist, allowing an attacker to d...

CVE-2026-32242

CVE-2026-32242 affects Parse Server: the built-in OAuth2 adapter previously exported a singleton instance shared across all OAuth2 provider configurations. Under concurrent authentication requests for multiple providers configured with oauth2: true, a token validation could run against another pr...

CVE-2026-30228

Parse Server is affected where the readOnlyMasterKey is used with the Files API (POST /files/:filename, DELETE /files/:filename). Prior to versions 8.6.5 and 9.5.0-alpha.3, this could bypass the read-only restriction, allowing an attacker with the readOnlyMasterKey to upload arbitrary files or de...

CVE-2026-30863

CVE-2026-30863 affects Parse Server through its Google, Apple, and Facebook authentication adapters. If the adapter’s audience option (clientId for Google/Apple, appIds for Facebook) is not configured, the JWT verification process does not validate the audience claim, enabling an attacker to pres...

CVE-2026-31840

CVE-2026-31840 affects Parse Server (Node.js backend) deployed with PostgreSQL. The issue is a SQL injection via dot-notation field names used with the sort, distinct, or where query parameters, due to improper escaping of sub-field values. Affected versions are prior to 9.6.0-alpha.2 and 8.6.28;...

CVE-2026-30941

Parse Server exposes a NoSQL injection in token handling for password reset and email verification endpoints on deployments using MongoDB. Prior to versions 8.6.14 and 9.5.2-alpha.1, the token field is passed to database queries without type validation, enabling unauthenticated attackers to injec...

CVE-2026-32269

Parse Server vulnerability CVE-2026-32269 affects deployments using the OAuth2 adapter with both appidField and appIds configured. The issue stems from incorrect validation of app IDs where a malformed value is sent to the token introspection endpoint instead of the user’s actual access token, po...

CVE-2026-30948

Parse Server (open-source Node.js backend) is affected prior to 9.5.2-alpha.4 and 8.6.17 by a stored XSS via SVG uploads. Authenticated users can upload an SVG file, which is served inline as Content-Type: image/svg+xml without protective headers, causing embedded scripts to execute in the Parse ...

CVE-2026-31871

Parse Server has a SQL injection vulnerability in the PostgreSQL storage adapter during Increment operations on nested object fields (dot notation, e.g., stats.counter). The sub-key name is interpolated into SQL literals without escaping, enabling an attacker who can submit REST API write request...

CVE-2026-31872

CVE-2026-31872 affects Parse Server. Prior to 9.6.0-alpha.6 and 8.6.32, the protectedFields class-level permission (CLP) can be bypassed via dot-notation in query WHERE clauses and sort parameters, enabling an attacker to query or sort by sub-fields of a protected field on MongoDB and PostgreSQL ...

CVE-2026-39321

Parse Server is vulnerable prior to versions 9.8.0-alpha.6 and 8.6.74 due to a timing discrepancy in the login endpoint. An unauthenticated attacker can enumerate valid usernames because responses differ: if the user is not found, the server responds immediately; if the user exists but the passwo...

CVE-2026-30947

Parse Server (with LiveQuery) is affected by CVE-2026-30947 where class-level permissions (CLP) are not enforced for LiveQuery subscriptions in older releases. An unauthenticated or unauthorized client could subscribe to any LiveQuery-enabled class and receive real-time events for all objects, by...

CVE-2026-30972

Parse Server is affected by a rate-limit bypass vulnerability where the /batch endpoint processes sub-requests internally and bypasses the Express middleware rate limiting that protects other endpoints. This allows bundling multiple requests targeting a rate-limited path into a single batch, circ...

CVE-2026-31868

Parse Server has a stored XSS vulnerability (CVE-2026-31868) via file uploads of HTML-renderable types. Before versions 9.6.0-alpha.4 and 8.6.30, an attacker could upload files with extensions or content types not blocked by the default fileUpload.fileExtensions setting (e.g., .svgz, .xht, .xml, ...

CVE-2026-32943

Parse Server prior to versions 9.6.0-alpha.28 and 8.6.48 did not enforce single-use for password-reset tokens, allowing a token to be consumed by concurrent requests. An attacker with an intercepted token could race a legitimate reset request, potentially changing a target account’s password. Sta...

CVE-2026-30965

Parse Server is affected by a vulnerability in its query handling that allowed an attacker to exfiltrate other users’ session tokens via the redirectClassNameForKey query parameter. This could enable account takeover for both authenticated and unauthenticated attackers, depending on Class-Level P...

CVE-2026-32594

Parse Server vulnerability CVE-2026-32594 affects the GraphQL WebSocket endpoint used for subscriptions, where requests bypass the Express middleware that enforces authentication, introspection control, and query complexity limits. Prior to versions 8.6.40 and 9.6.0-alpha.14, an attacker could co...

CVE-2026-30946

Parse Server is affected by a denial-of-service due to unbounded query complexity in REST and GraphQL APIs. Unauthenticated attackers can exhaust resources (CPU, memory, database connections) via crafted queries, affecting all deployments using REST/GraphQL prior to 9.5.2-alpha.2 and 8.6.15. The ...

CVE-2026-33538

Parse Server v8.6.58 and v9.6.0-alpha.52 patch CVE-2026-33538, which allowed unauthenticated attackers to trigger DoS by sending auth requests for unconfigured providers. The server queries the user database for each unconfigured provider, and without an index on unconfigured providers this cause...

CVE-2026-30850

Parse Server contains a vulnerability where the file metadata endpoint (GET /files/:appId/metadata/:filename) bypasses beforeFind / afterFind triggers prior to versions 8.6.9 and 9.5.0-alpha.9. When these triggers act as access-control gates, the endpoint can expose file metadata without enforcin...

CVE-2026-30229

CVE-2026-30229 affects Parse Server. The readOnlyMasterKey could call POST /loginAs to obtain a valid session token, allowing impersonation of arbitrary users with full read/write access. Impact applies to any deployment using readOnlyMasterKey. The issue is resolved in Parse Server releases 8.6....

CVE-2025-68115

Parse Server is affected by a Cross-Site Scripting (XSS) vulnerability in its password reset and email verification HTML pages due to unescaped Mustache template variables. Affected versions are prior to 8.6.1 and 9.1.0-alpha.3; the patch escapes user-controlled values in those pages and is avail...

CVE-2026-30925

CVE-2026-30925 affects Parse Server with LiveQuery enabled. A crafted $regex subscription can cause catastrophic backtracking in JavaScript regex evaluation on the Node.js event loop, blocking the server and making the entire deployment unresponsive. This impacts all clients for affected deployme...

CVE-2026-32770

CVE-2026-32770 affects the Parse Server project via the LiveQuery feature. The issue occurs when a remote attacker subscribes to LiveQuery with an invalid regular expression pattern, which can cause the server process to crash and lead to a denial of service for all connected clients. Affected ve...

CVE-2026-33042

Parse Server (Node.js) is affected prior to versions 9.6.0-alpha.29 and 8.6.49 where a signup can be performed without credentials by submitting an empty authData object, bypassing the username/password requirement. The root cause is that empty or non-actionable authData is treated as present for...

CVE-2026-33429

Parse Server exposes a protected-field information leak via LiveQuery watch parameter. Prior to versions 8.6.54 and 9.6.0-alpha.43, an attacker can subscribe with watch targeting a protected field; while the field value is stripped from payloads, the presence or absence of update events creates a...

CVE-2026-31800

Parse Server (Node.js) vulerable prior to 9.5.2-alpha.12 and 8.6.25 where internal classes _GraphQLConfig and _Audience can be read, modified, or deleted via the generic /classes/_GraphQLConfig and /classes/_Audience routes without master key authentication. This bypasses the master key enforceme...

CVE-2026-32878

Parse Server is vulnerable to prototype pollution in its deep copy path prior to versions 9.6.0-alpha.20 and 8.6.44. An attacker can bypass the default denylist and class-level field-adding permissions by crafting a request, allowing injection of fields into locked schemas and causing permanent s...

CVE-2026-33163

Summary: CVE-2026-33163 affects Parse Server’s LiveQuery afterEvent trigger. Before versions 9.6.0-alpha.35 and 8.6.50, when a class has a Parse.Cloud.afterLiveQueryEvent trigger, the LiveQuery event payload could leak protected fields and authData to subscribers of that class. The leak stems fro...

CVE-2026-33624

CVE-2026-33624 affects Parse Server. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who knows a user’s password and a valid MFA recovery code can reuse that code indefinitely by sending concurrent login requests, defeating the single‑use design of recovery codes. Impacted component: MFA...

CVE-2026-33627

CVE-2026-33627 affects Parse Server: prior to versions 8.6.61 and 9.6.0-alpha.55, an authenticated user calling GET /users/me receives unsanitized auth data, including MFA TOTP secrets and recovery codes. The endpoint uses master-level authentication for the session query, and the master context ...

CVE-2025-68150

CVE-2025-68150 affects Parse Server where the Instagram OAuth adapter allows an attacker to supply a custom apiURL in authData, enabling Server-Side Request Forgery (SSRF) and potentially authentication bypass by hitting malicious endpoints. Root cause: client-provided apiURL is not validated and...

CVE-2026-30939

CVE-2026-30939 is associated with a vulnerability in Parse Server via a prototype chain resolution issue that enables a DoS. An unauthenticated attacker can crash the server by calling a Cloud Function endpoint with a prototype property name as the function name; other prototype property names by...

CVE-2026-32248

Parse Server suffers an account takeover vulnerability (CVE-2026-32248) due to operator injection in the authentication data identifier. Before versions 9.6.0-alpha.12 and 8.6.38, an unauthenticated attacker can crafted-login cause a pattern-matching query instead of an exact match, allowing them...

CVE-2026-32944

Technical details sufficient to assess the vulnerability are not provided in the connected documents; monitor for updates.

CVE-2021-47986

Parse Server exposes a supply-chain vulnerability affecting all versions before 4.10.0 where incorrect version tags were pushed to the repository, linking to unreviewed code in a personal fork. Attackers could specify affected version tags in dependency declarations to execute unreviewed and pote...

CVE-2026-29182

CVE-2026-29182 affects Parse Server prior to 8.6.4 and 9.4.1-alpha.3, where the readOnlyMasterKey is incorrectly allowed to perform mutating operations, bypassing the documented denial of writes. An attacker who knows the readOnlyMasterKey can create, modify, or delete Cloud Hooks and start Cloud...

CVE-2026-30835

Parse Server vulnerability CVE-2026-30835 affects Parse Server before versions 8.6.7 and 9.5.0-alpha.6, where a malformed $regex query parameter can cause the database to return a structured error object unsanitized through the API response. This leaks internal database details such as error mess...

CVE-2026-31828

CVE-2026-31828 affects Parse Server deployments using the LDAP authentication adapter with group-based access control. User input in authData.id is interpolated directly into LDAP DNs and group search filters without escaping, enabling an attacker with valid LDAP credentials to manipulate the bin...

CVE-2026-33421

Parse Server’s LiveQuery WebSocket interface historically did not enforce Class-Level Permission pointer permissions (readUserFields and pointerFields) prior to versions 8.6.53 and 9.6.0-alpha.42. Any authenticated user could subscribe to LiveQuery events and receive real-time updates for objects...

CVE-2025-67727

Parse Server versions prior to 8.6.0-alpha.2 are affected by a GitHub CI workflow privilege elevation that grants the Actions workflow access to repository secrets and write permissions defined in the workflow, potentially including code from forks or lifecycle scripts. The issue is confined to t...

CVE-2026-27804

Parse Server versions prior to 8.6.3 and 9.1.1-alpha.4 are vulnerable to unauthenticated login via forged Google tokens (alg: none). The root cause is trusting the JWT header for algorithm selection; the fix hardcodes RS256 and shifts key validation to jwks-rsa, rejecting unknown key IDs. Affecte...

CVE-2026-30962

Parse Server is vulnerable prior to versions 9.5.2-alpha.6 and 8.6.19 due to a flawed protection check that only validates top-level query keys for protected fields. By wrapping a query constraint on a protected field inside a logical operator, the check is bypassed, allowing any authenticated us...

CVE-2026-32886

Parse Server (Node.js) is affected by CVE-2026-32886 through a cloud function dispatch crash caused by an attacker-controlled function name traversing the JavaScript prototype chain of a registered cloud function handler, leading to a stack overflow. The root cause is prototype chain traversal du...

CVE-2026-30967

Parse Server is affected when using the generic OAuth2 authentication adapter (oauth2: true) without setting useridField. Prior to 9.5.2-alpha.9 and 8.6.22, the adapter only verified token activity via the provider’s introspection endpoint and did not confirm that the token belongs to the user id...

CVE-2026-31875

Parse Server MFA recovery codes are not consumed after use in versions prior to 9.6.0-alpha.7 and 8.6.33, allowing an attacker to reuse a single recovery code to repeatedly authenticate. The issue affects Node.js deployments of Parse Server and weakens MFA security. The fix is in 9.6.0-alpha.7 an...

CVE-2026-33323

Summary (CVE-2026-33323): Parse Server exposes an information disclosure vulnerability in the Pages and legacy PublicAPI routes used to resend email verification links. Before versions 8.6.51 and 9.6.0-alpha.40, these endpoints leak whether a given username exists and has an unverified email by r...

CVE-2026-33539

Parse Server SQL injection vulnerability in PostgreSQL adapter (CVE-2026-33539). An attacker with master key access can inject SQL metacharacters into field name parameters of the aggregate $group stage or the distinct operation, enabling arbitrary SQL execution on PostgreSQL and privilege escala...