BIT-PARSE-2026-57480 Parse Server: Denial of service via exponential-time processing of deeply nested query operators

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the internal...

BIT-PARSE-2026-55778 Parse Server: Stored XSS via non-standard file extension bypassing file upload extension blocklist

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1 and 8.6.81, the default fileUpload.fileExtensions blocklist could be bypassed by uploading a file with a non-standard or compound extension and dangerous content type, allowing...

PT-2026-58925

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the internal...

PT-2026-58926

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber's ACL rea...

PT-2026-58924

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1 and 8.6.81, the default fileUpload.fileExtensions blocklist could be bypassed by uploading a file with a non-standard or compound extension and dangerous content type, allowing...

Arbitrary File Upload

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 Arbitrary File Upload in the file upload process when a malformed Content-Type header is supplied and the file extension is...

@openinc/parse-server-opendash (>=4.0.0, <=4.1.2) potentially affected by CVE-2026-61448 via parse-server (>=9.6.0-alpha.37, <=9.9.1-alpha.13)

parse-server NPM version =9.6.0-alpha.37, =4.0.0, =4.1.2 Source cves: CVE-2026-61448 Source advisory: SNYK:JS-PARSESERVER-17950968...

CVE-2026-61448

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

CVE-2026-61448 Parse Server 9.0.0 Stored XSS via malformed Content-Type

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

CVE-2026-61448 Parse Server 9.0.0 Stored XSS via malformed Content-Type

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

CVE-2026-61448

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

CVE-2026-61448

Parse Server is affected by a stored XSS in versions 9.0.0–9.9.9 (excluding 9.10.0-alpha.2) and 8.6.0x up to 8.6.83. When a file with an unrecognized extension is uploaded, the client-supplied Content-Type is kept. A malformed Content-Type (not valid type/subtype) can bypass fileUpload.fileExtens...

CVE-2026-61448 Parse Server 9.0.0 Stored XSS via malformed Content-Type

Parse Server is affected by a stored cross-site scripting XSS vulnerability in versions = 9.0.0, 9.10.0-alpha.2 and = 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a...

PT-2026-57441

Name of the Vulnerable Software and Affected Versions Parse Server versions 9.0.0 through 9.10.0-alpha.1 Parse Server versions 8.x through 8.6.83 Description A stored cross-site scripting XSS issue exists when the software fails to recognize an uploaded file's extension via the mime package,...

CVE-2026-57481

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...

CVE-2026-57480

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the...

CVE-2026-55778

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.11 and 8.6.81, the default fileUpload.fileExtensions blocklist could be bypassed by uploading a file with a non-standard or compound extension and dangerous content type,...

CVE-2026-57481 Parse Server: LiveQuery discloses object data to a subscriber across an ACL read-access change

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...

CVE-2026-57481

Parse Server LiveQuery vulnerability: a subscriber could receive object field values the reader is not authorized to read when a single save changed both the object field and the subscriber’s ACL read access, due to leave/enter events using the wrong object state. Affected versions before 9.9.1-a...

CVE-2026-57481 Parse Server: LiveQuery discloses object data to a subscriber across an ACL read-access change

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...