CVE-2026-30938

Parse Server is affected by GHSA-Q342-9W2P-57FP, a vulnerability in the denylist keyword scan. The issue arises in the requestKeywordDenylist scanner: if a nested object/array appears before a prohibited keyword, the scanner exits prematurely, allowing bypass of the denylist. All deployments are ...

CVE-2026-34215

Parse Server exposes sensitive authentication data via the verifyPassword endpoint. Affected versions are before 8.6.63 and 9.7.0-alpha.7. The endpoint returns unsanitized data including MFA TOTP secrets, recovery codes, and OAuth access tokens, enabling an attacker who knows a user’s password to...

CVE-2026-34573

Parse Server exposes a denial-of-service when the GraphQL query complexity validator is enabled (requestComplexity.graphQLDepth or requestComplexity.graphQLFields). In versions prior to 8.6.68 and 9.7.0-alpha.12, a crafted query using binary fan-out fragment spreads can block the Node.js event lo...

CVE-2026-34595

CVE-2026-34595 affects Parse Server LiveQuery: an authenticated user with find class-level permission can bypass the protectedFields guard by submitting a subscription using an array-like object for $or/$and/$nor instead of a real array. This bypass allows the subscription firing to act as a bina...

CVE-2026-32728

Parse Server is affected by a stored XSS bypass vulnerability where an attacker with file upload rights can bypass extension filtering by adding MIME parameters (for example; charset=utf-8) to the Content-Type header. This can cause the extension validation to skip blocklist checks, allowing acti...

CVE-2026-35200

Parse Server has a Content-Type mismatch vulnerability in file uploads: if a filename extension passes the allowlist but the Content-Type header differs (e.g., .txt with text/html), the Content-Type is forwarded to storage adapters (such as S3 or GCS) and served as-is. Affected versions are prior...

CVE-2026-32098

Parse Server exposes a vulnerability where enabling LiveQuery and protectedFields in Class-Level Permissions allows a WHERE-clause subscription (including dot-notation or $regex) to reveal protected field values. Affected: classes with both protectedFields and LiveQuery enabled, with versions pri...

CVE-2026-33508

Parse Server’s LiveQuery WebSocket subscription processing is vulnerable to a query depth bypass due to not enforcing the requestComplexity.queryDepth setting before versions 8.6.56 and 9.6.0-alpha.45. An attacker can submit a subscription with deeply nested logical operators, triggering recursio...

CVE-2026-34224

CVE-2026-34224 affects Parse Server (Node.js backend). A flaw in the authData login flow lets an attacker with a valid provider token and a single MFA recovery code or SMS OTP create multiple authenticated sessions by issuing concurrent login requests, defeating the single-use MFA guarantee and p...

CVE-2026-32742

CVE-2026-32742 affects Parse Server. Before versions 9.6.0-alpha.17 and 8.6.42, an authenticated user could overwrite server-generated session fields (sessionToken, expiresAt, createdWith) when creating a session via POST /classes/_Session, potentially bypassing session expiration and predicting ...

CVE-2026-34532

Parse Server vulnerability CVE-2026-34532: An attacker could bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud Function handler uses the function keyword and its validator is a plain object or arrow function, the tri...

CVE-2026-34363

Parsed Server LiveQuery vulnerability : multiple concurrent subscribers on the same class share mutable state; the in-place modification by the sensitive data filter can leak protected fields and authentication data across clients, or cause incomplete data to be seen. Affected versions before 8.6...

CVE-2026-32234

Parse Server vulnerability CVE-2026-32234 affects deployments using PostgreSQL. A crafted field name in a $regex query constraint can be interpolated into SQL when an attacker has master-key access, bypassing the Parse Server layer and enabling database-level SQL injection. Affected versions are ...

CVE-2026-34574

Parse Server vulnerability CVE-2026-34574 affects Parse Server prior to 8.6.69 and 9.7.0-alpha.14. An authenticated user can bypass the immutability guard on session fields (expiresAt, createdWith) by sending a null value in a PUT to the session update endpoint, effectively nullifying session exp...

CVE-2026-30854

Parse Server vulnerability CVE-2026-30854 affects versions 9.3.1-alpha.3 through before 9.5.0-alpha.10 when graphQLPublicIntrospection is disabled. Nested __type queries inside inline fragments (for example ... on Query { __type(name: "User") { name } }) can bypass introspection controls, enablin...

CVE-2026-34373

Parse Server’s GraphQL API endpoint prior to versions 8.6.66 and 9.7.0-alpha.10 does not respect the allowOrigin setting, unconditionally allowing cross-origin requests from any website and bypassing configured origin restrictions. The REST API enforces allowOrigin correctly. A fix is available i...

CVE-2026-30966

Parse Server prior to 9.5.2-alpha.7 and 8.6.20 is vulnerable: internal tables backing Relation field mappings are accessible via REST/GraphQL using only the application key, allowing any client to create/read/update/delete records in relation tables and potentially inject themselves into any Pars...

CVE-2026-31856

CVE-2026-31856 affects Parse Server PostgreSQL storage adapter. The vulnerability allows SQL injection via Increment on nested object fields (e.g., stats.counter) where the amount is interpolated into the SQL query without parameterization, enabling reading data and bypassing CLPs/ACLs. MongoDB d...

CVE-2026-34784

Parse Server has a vulnerability where file downloads via HTTP Range requests bypass the afterFind(Parse.File) trigger and its validators on streaming storage adapters (e.g., GridFS). This can let an attacker access files that should be protected by authorization logic. The issue is fixed in vers...

CVE-2026-39381

Parse Server (open-source Node.js backend) has a vulnerability in the GET /sessions/me endpoint where protected _Session fields configured via protectedFields are exposed to any authenticated user. The issue occurs prior to versions 9.8.0-alpha.7 and 8.6.75; the equivalent GET /sessions and GET /...

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-2026-30949

CVE-2026-30949 affects Parse Server deployments using the Keycloak authentication adapter. The issue is that the azp (authorized party) claim in Keycloak access tokens is not validated against the configured client-id, enabling a valid token from one client to authenticate as any user on Parse Se...

CVE-2026-33498

CVE-2026-33498 affects Parse Server (Node.js). Before versions 8.6.55 and 9.6.0-alpha.44, an unauthenticated HTTP request with a deeply nested query containing logical operators can permanently hang the server process, rendering it unresponsive and requiring manual restart. This is a bypass of th...

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-2026-30848

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-2026-31840

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-2026-31901

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-2026-30941

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-2026-31871

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-2026-30965

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-2026-30947

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-2026-30948

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-2026-30972

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-2026-30850

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-2026-30946

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-2026-31868

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-2026-32594

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-2026-32943

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-2026-33538

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-2026-30229

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-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-2026-30939

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-2026-31800

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-2026-32770

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...