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 via the Did you mean ...? suggestions in GraphQL validation-error messages. An attacker can enumerate...

Parse Server: Pre-authentication denial of service via client version header regex backtracking

Impact An unauthenticated attacker who knows a publicly-known Parse Application ID can submit a single HTTP request whose client SDK version field contains adversarial input that triggers polynomial backtracking in a request-header parser. The parsing runs before session authentication and before...

GHSA-38M6-82C8-4XFM Parse Server: Pre-authentication denial of service via client version header regex backtracking

Impact An unauthenticated attacker who knows a publicly-known Parse Application ID can submit a single HTTP request whose client SDK version field contains adversarial input that triggers polynomial backtracking in a request-header parser. The parsing runs before session authentication and before...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: fixed a underflow issue in parseserverinterfaces. In this loop, we iterate through the buffer. After processing each item, we check whether the sizeleft is greater than the minimum size required. However, the problem arises...

Regular Expression Denial of Service (ReDoS)

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 Regular Expression Denial of Service ReDoS via the clientSDK parameter in the request-header parser. An attacker can exhaust...

BIT-PARSE-2026-43930 Parse Server: MFA SMS one-time password accepted twice under concurrent login

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.76 and 9.9.0, a race condition in the MFA SMS one-time password OTP login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive valid...

CVE-2026-43930 Parse Server: MFA SMS one-time password accepted twice under concurrent login

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.76 and 9.9.0-alpha.2, a race condition in the MFA SMS one-time password OTP login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive...

CVE-2026-43930 Parse Server: MFA SMS one-time password accepted twice under concurrent login

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.76 and 9.9.0-alpha.2, a race condition in the MFA SMS one-time password OTP login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive...

CVE-2026-43930 Parse Server: MFA SMS one-time password accepted twice under concurrent login

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.76 and 9.9.0-alpha.2, a race condition in the MFA SMS one-time password OTP login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive...

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...

Parse Server 竞争条件问题漏洞

Parse Server is an open-source backend developed by the Parse Platform. It can be deployed on any infrastructure that runs Node.js. There were vulnerabilities due to concurrency issues in versions of Parse Server prior to 8.6.76 and 9.9.0-alpha.2. These vulnerabilities stemmed from concurrency...

Race Condition

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 Race Condition due to a race condition in the login process. An attacker can obtain multiple valid session tokens by...

parse-server: MFA SMS one-time password accepted twice under concurrent login

Impact A race condition in the MFA SMS one-time password OTP login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive valid session tokens, breaking the single-use property of the OTP. The vulnerability requires the attacker to already possess the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007290)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007290 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: fix underflow in parseserverinterfaces In this loop, we step through the buffer and after...

BIT-PARSE-2026-39381 Parse Server's Endpoint `/sessions/me` bypasses `_Session` `protectedFields`

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.8.0 and 8.6.75, the GET /sessions/me endpoint returns Session fields that the server operator explicitly configured as protected via the protectedFields server option. Any...

BIT-PARSE-2026-35200 Parse Server has a file upload Content-Type override via extension mismatch

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.73 and 9.7.1, a file can be uploaded with a filename extension that passes the file extension allowlist e.g., .txt but with a Content-Type header that differs from the extension...

Content-Type Override

Parse Server is vulnerable to Content-Type Override. The vulnerability is due to missing consistency validation between the file extension and the provided Content-Type header, where the Content-Type is passed unchanged to storage adapters that serve files based on this header, allowing an attack...

Insertion of Sensitive Information Into Sent Data

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 Insertion of Sensitive Information Into Sent Data via the GET /sessions/me endpoint, which fails to enforce protectedFields...

EUVD-2026-19917

Parse Server's Endpoint /sessions/me bypasses Session protectedFields...

GHSA-G4V2-QX3Q-4P64 Parse Server's Endpoint `/sessions/me` bypasses `_Session` `protectedFields`

Impact The GET /sessions/me endpoint returns Session fields that the server operator explicitly configured as protected via the protectedFields server option. Any authenticated user can retrieve their own session's protected fields with a single request. The equivalent GET /sessions and GET...