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...

dovecot: ManageSieve: Denial of Service via crafted SASL initial response in AUTHENTICATE command

A flaw was found in ManageSieve. A remote attacker can exploit this vulnerability by sending a crafted SASL Simple Authentication and Security Layer initial response during the AUTHENTICATE command. This can cause the ManageSieve service to crash repeatedly, leading to a Denial of Service DoS for...

Important: Red Hat Security Advisory: dovecot security update

An update for dovecot is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

CVE-2026-43002

An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix...

EUVD-2026-27513

Jupyter Server's Authentication Cookies Remain Valid After Password Reset and Server Restart...

GHSA-5MRQ-X3X5-8V8F Jupyter Server's Authentication Cookies Remain Valid After Password Reset and Server Restart

Summary A persistent cookie secret vulnerability allows authenticated users to maintain indefinite access even after password changes. The cookie secret used to sign authentication cookies is stored in a permanent file /.local/share/jupyter/runtime/jupytercookiesecret that is never automatically...

CVE-2026-7844

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/listfiles/retrievefile/retrievefilecontent/deletefile of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Compatible File Service...

CVE-2026-42041

A flaw was found in Axios, a promise-based HTTP client. This vulnerability, a Prototype Pollution "Gadget" attack, allows an attacker to manipulate the Object.prototype.validateStatus property. By polluting this property, all HTTP error responses such as 401, 403, or 500 are silently treated as...

CVE-2026-7844 chatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authentication

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/listfiles/retrievefile/retrievefilecontent/deletefile of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Compatible File Service...

CVE-2026-7844 chatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authentication

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/listfiles/retrievefile/retrievefilecontent/deletefile of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Compatible File Service...

CVE-2026-7844

A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/listfiles/retrievefile/retrievefilecontent/deletefile of the file libs/chatchat-server/chatchat/server/apiserver/openairoutes.py of the component Compatible File Service...

CVE-2026-7844

CVE-2026-7844 concerns the chatchat-space Langchain-Chatchat project up to version 0.3.1.3. The vulnerability resides in the Compatible File Service, specifically the function set in libs/chatchat-server/chatchat/server/api_server/openai_routes.py (delete_file, as well as related file endpoints l...

CVE-2026-6918

In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message...

EUVD-2023-60570

OpenEMR 7.0.1 contains an authentication brute force vulnerability that allows attackers to bypass rate limiting protections by sending repeated login attempts to the main login endpoint. Attackers can submit POST requests with authUser and clearPass parameters to systematically test username and...

EUVD-2025-209639

RouterOS provides various services that rely on correct verification of client and server certificates to secure confidentiality and integrity of communications. This includes OpenVPN, CAPsMAN, Dot1x 802.1X, among others. The vulnerability lies in shared certificate validation logic which uses th...

CVE-2026-6918

CVE-2026-6918 affects Eclipse OpenJ9/JITServer. Versions 0.21–0.58 are vulnerable to a pre-auth remote crash triggered by a 32-byte crafted TCP message. The description does not provide exploit details or remediation. No further concrete impact or patch information is available in the connected d...

CVE-2026-6918

In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message...

CVE-2026-6918

In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message...

EUVD-2026-27315

In Eclipse Open9J versions 0.21 to 0.58, a pre-authentication remote attacker can crash JITServer by sending a 32-byte crafted TCP message...

CVE-2026-28510 elabftw allows MFA bypass during login

eLabFTW is an open source electronic lab notebook. In elabftw versions through 5.4.1, the login flow did not reliably preserve the multi-factor authentication state across authentication steps. Under certain conditions, an attacker with valid primary credentials could complete authentication with...