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...

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...

CVE-2026-7701

A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/urlauthbox.cpp of the component Bot API. The manipulation of the argument loginurl leads to null pointer dereference. It is...

GHSA-98QH-XJC8-98PQ pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS

Summary pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. Impact A malicious server can instruct the driver to perform SCRAM authentication with a very large iteration count. With a large enough value, the client spends an unbounded amount of CPU time...

dovecot: denial of service via crafted message before authentication

A flaw was found in dovecot. An unauthenticated and remote attacker can send a crafted message that causes managesieve to allocate an excessive amount of memory, forcing managesieve-login to be unavailable by repeatedly crashing the process, resulting in a denial of service...

Regular Expression without Anchors

Overview Affected versions of this package are vulnerable to Regular Expression without Anchors through the alloworiginpat checks in websocket.py, login.py. An attacker can bypass CORS, WebSocket origin checks, and login redirect validation by supplying an Origin or Referer value that matches the...

EUVD-2025-209644

Jupyter Server has an open redirection vulnerability in next query parameter...

GHSA-QH7Q-6QM3-653W Jupyter Server has an open redirection vulnerability in `next` query parameter

Summary The ?next=... URL query parameter has an open redirection vulnerability. In jupyterserver=2.17.0, this URL query parameter allows redirection to arbitrary external domains, which can be exploited to facilitate phishing attacks on server users. Details The vulnerability is caused by...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect through the LoginFormHandler in the login handler. An attacker can send a crafted /login request with a protocol-relative redirect target beginning with // to make the application redirect a victim to an external site afte...

PYSEC-2026-67

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

CVE-2025-61669

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

PYSEC-2026-67

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

DEBIAN-CVE-2025-61669

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

CVE-2025-61669

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

CVE-2025-61669 jupyter_server next parameter open redirect can redirect users to external domains

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

CVE-2025-61669 jupyter_server next parameter open redirect can redirect users to external domains

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

CVE-2025-61669 jupyter_server next parameter open redirect can redirect users to external domains

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

CVE-2025-61669

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...

CVE-2025-61669

Jupyter Server (backend for Jupyter web apps) up to version 2.17.0 contains an open redirect in the login flow. The issue resides in LoginFormHandler._redirect_safe(), which does not sufficiently validate the next query parameter, allowing redirects to arbitrary external domains (e.g., ///example...

CVE-2025-61669

Jupyter Server is the backend for Jupyter web applications. In jupyterserver versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in LoginFormHandler.redirectsafe, which allows redirects to arbitrary external domains via values such as ///example.com. An...