BIT-PARSE-2026-32878 Parse Server vulnerable to schema poisoning via prototype pollution in deep copy

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0 and 8.6.44, an attacker can bypass the default request keyword denylist protection and the class-level permission for adding fields by sending a crafted request that exploits...

BIT-PARSE-2026-32770 Parse Server: LiveQuery subscription with invalid regular expression crashes server

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0 and 8.6.43, a remote attacker can crash the Parse Server by subscribing to a LiveQuery with an invalid regular expression pattern. The server process terminates when the invalid...

BIT-PARSE-2026-32742 Parse Server session creation endpoint allows overwriting server-generated session fields

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0 and 8.6.42, an authenticated user can overwrite server-generated session fields sessionToken, expiresAt, createdWith when creating a session object via POST /classes/Session. Thi...

BIT-PARSE-2026-32728 Parse Server has a stored XSS filter bypass via Content-Type MIME parameter and missing XML extension blocklist entries

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0 and 8.6.41, an attacker who is allowed to upload files can bypass the file extension filter by appending a MIME parameter e.g. ;charset=utf-8 to the Content-Type header. This...

BIT-PARSE-2026-32594 Parse Server GraphQL WebSocket endpoint bypasses security middleware

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.40 and 9.6.0, the GraphQL WebSocket endpoint for subscriptions does not pass requests through the Express middleware chain that enforces authentication, introspection control, and...

PT-2026-26782

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.55 Parse Server versions prior to 9.6.0-alpha.44 Description An unauthenticated attacker can send a crafted HTTP request with a deeply nested query containing logical operators, causing the Parse Server proce...

Parse Server has an auth provider validation bypass on login via partial authData

Impact An authentication bypass vulnerability allows an attacker to log in as any user who has linked a third-party authentication provider, without knowing the user's credentials. The attacker only needs to know the user's provider ID to gain full access to their account, including a valid sessi...

Missing Authentication for Critical Function

Overview parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js. Affected versions of this package are vulnerable to Missing Authentication for Critical Function due to the improper validation of third-party auth provider's credentials. An...

@openinc/parse-server-opendash (>=4.0.0 <=4.0.3) potentially affected by CVE-2026-33409 via parse-server (=9.6.0-alpha.37)

parse-server NPM version =9.6.0-alpha.37 is affected by a known vulnerability. The following packages have a transitive dependency on parse-server and may be impacted: - @openinc/parse-server-opendash =4.0.0, =4.0.3 Source cves: CVE-2026-33409 Source advisory: OSV:GHSA-PFJ7-WV7C-22PR...

@openinc/parse-server-opendash (>=4.0.0 <=4.0.3) potentially affected by CVE-2026-33409 via parse-server (=9.6.0-alpha.37)

parse-server NPM version =9.6.0-alpha.37 is affected by a known vulnerability. The following packages have a transitive dependency on parse-server and may be impacted: - @openinc/parse-server-opendash =4.0.0, =4.0.3 Source cves: CVE-2026-33409 Source advisory: SNYK:JS-PARSESERVER-15701838...

@bigegg/parse-server-schema-config (>=1.0.5 <=1.0.10), @kontaa/subgraph (>=1.0.1 <=1.2.3) +27 more potentially affected by CVE-2026-33409 via parse-server (>=2.0.8 <=7.5.4)

parse-server NPM version =2.0.8, =1.0.5, =1.0.1, =1.2.1, =2.4.46, =2.4.8, =1.0.0, =1.0.0, =1.0.1, =0.1.1, =0.0.2, =1.0.0, =0.1.0, =0.1.7, =0.0.1, =0.0.29 - parse-cli-server2 =0.0.30 and more Source cves: CVE-2026-33409 Source advisory: OSV:GHSA-PFJ7-WV7C-22PR...

GHSA-PFJ7-WV7C-22PR Parse Server has an auth provider validation bypass on login via partial authData

Impact An authentication bypass vulnerability allows an attacker to log in as any user who has linked a third-party authentication provider, without knowing the user's credentials. The attacker only needs to know the user's provider ID to gain full access to their account, including a valid sessi...

@bigegg/parse-server-schema-config (>=1.0.5 <=1.0.10), @kontaa/subgraph (>=1.0.1 <=1.2.3) +27 more potentially affected by CVE-2026-33323 via parse-server (>=2.0.8 <=7.5.4)

parse-server NPM version =2.0.8, =1.0.5, =1.0.1, =1.2.1, =2.4.46, =2.4.8, =1.0.0, =1.0.0, =1.0.1, =0.1.1, =0.0.2, =1.0.0, =0.1.0, =0.1.7, =0.0.1, =0.0.29 - parse-cli-server2 =0.0.30 and more Source cves: CVE-2026-33323 Source advisory: OSV:GHSA-H29G-Q5C2-9H4F...

GHSA-H29G-Q5C2-9H4F Parse Server email verification resend page leaks user existence

Impact The Pages route and legacy PublicAPI route for resending email verification links return distinguishable responses depending on whether the provided username exists and has an unverified email. This allows an unauthenticated attacker to enumerate valid usernames by observing different...

@openinc/parse-server-opendash (>=4.0.0 <=4.0.3) potentially affected by CVE-2026-33323 via parse-server (=9.6.0-alpha.37)

parse-server NPM version =9.6.0-alpha.37 is affected by a known vulnerability. The following packages have a transitive dependency on parse-server and may be impacted: - @openinc/parse-server-opendash =4.0.0, =4.0.3 Source cves: CVE-2026-33323 Source advisory: OSV:GHSA-H29G-Q5C2-9H4F...

@openinc/parse-server-opendash (>=4.0.0 <=4.0.3) potentially affected by CVE-2026-33323 via parse-server (=9.6.0-alpha.37)

parse-server NPM version =9.6.0-alpha.37 is affected by a known vulnerability. The following packages have a transitive dependency on parse-server and may be impacted: - @openinc/parse-server-opendash =4.0.0, =4.0.3 Source cves: CVE-2026-33323 Source advisory: SNYK:JS-PARSESERVER-15701837...

Information Exposure

Overview parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js. Affected versions of this package are vulnerable to Information Exposure through the Pages and legacy PublicAPI routes that do not respect emailVerifySuccessOnInvalidEmail...

Parse Server email verification resend page leaks user existence

Impact The Pages route and legacy PublicAPI route for resending email verification links return distinguishable responses depending on whether the provided username exists and has an unverified email. This allows an unauthenticated attacker to enumerate valid usernames by observing different...

PT-2026-26493

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.52 Parse Server versions prior to 9.6.0-alpha.41 Description A flaw exists in Parse Server that allows an attacker to bypass authentication and log in as any user who has linked a third-party authentication...

CVE-2026-33163

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.35 and 8.6.50, when a Parse.Cloud.afterLiveQueryEvent trigger is registered for a class, the LiveQuery server leaks protected fields and authData to all subscribers of that...