CVE-2026-55423 Langflow: Logout button does not clear session

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.7.0, the logout button does not clear the session. The previous user stays logged in unless another user explicitly logs in. This vulnerability is fixed in 1.7.0...

CVE-2026-55423 Langflow: Logout button does not clear session

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.7.0, the logout button does not clear the session. The previous user stays logged in unless another user explicitly logs in. This vulnerability is fixed in 1.7.0...

CVE-2026-55423

CVE-2026-55423 affects Langflow prior to version 1.7.0, where the /logout flow fails to clear session data. Root cause: the logout endpoint did not delete cookies with matching attributes (httponly/samesite/secure/domain), so tokens persisted in local storage and cookies even after logout. Conseq...

CVE-2026-56695

OpenHarness ohmo gateway /resume and /summary slash commands default remoteinvocable to True, allowing admitted remote senders to enumerate and load arbitrary session snapshots by ID. Attackers can exploit this to access victim snapshots containing private prompts, credentials, tool output, and...

CVE-2026-55767

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, CookieJar incorrectly accepts cookies with a dot-only Domain attribute and whitespace-padded variants. SetCookie::matchesDomain removes leading dots from the cookie domain, normalizing dot-only values to the empty string; SetCookie::valida...

CVE-2026-34917

CVE-2026-34917 affects Revive Adserver: low-privilege session IDs generated for the web admin console can be reused in the XML-RPC API, whose authentication is normally admin-restricted. This allowed scenario enables an attacker to gain unauthorized API access and potentially exploit API-level vu...

CVE-2026-34917

Low‑privileged session IDs generated for the web admin console could be reused in the XML‑RPC API, whose authentication is normally restricted to admin users. An attacker could leverage this to gain unauthorised access and exploit API‑level vulnerabilities. The session context web/API is now...

EUVD-2026-38509

Low‑privileged session IDs generated for the web admin console could be reused in the XML‑RPC API, whose authentication is normally restricted to admin users. An attacker could leverage this to gain unauthorised access and exploit API‑level vulnerabilities. The session context web/API is now...

CVE-2026-54302

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, an authenticated user with workflow edit access could inject arbitrary JavaScript into the Chat Trigger's generated page by setting a malicious webhookId. When a logged-in user visited the chat URL, the...

CVE-2026-54309

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the...

CVE-2026-54309

CVE-2026-54309 affects n8n when using the MCP Browser extension in HTTP transport mode. The MCP endpoint accepts unauthenticated session initialization and tool invocation requests, enabling network-reachable clients (or websites visited by the user) to establish an MCP session and invoke browser...

CVE-2026-56695

OpenHarness ohmo gateway /resume and /summary slash commands default remoteinvocable to True, allowing admitted remote senders to enumerate and load arbitrary session snapshots by ID. Attackers can exploit this to access victim snapshots containing private prompts, credentials, tool output, and...

CVE-2026-56695 OpenHarness - Cross-Session Disclosure via /resume and /summary Commands

OpenHarness ohmo gateway /resume and /summary slash commands default remoteinvocable to True, allowing admitted remote senders to enumerate and load arbitrary session snapshots by ID. Attackers can exploit this to access victim snapshots containing private prompts, credentials, tool output, and...

CVE-2026-56695 OpenHarness - Cross-Session Disclosure via /resume and /summary Commands

OpenHarness ohmo gateway /resume and /summary slash commands default remoteinvocable to True, allowing admitted remote senders to enumerate and load arbitrary session snapshots by ID. Attackers can exploit this to access victim snapshots containing private prompts, credentials, tool output, and...

EUVD-2026-38467

OpenHarness ohmo gateway /resume and /summary slash commands default remoteinvocable to True, allowing admitted remote senders to enumerate and load arbitrary session snapshots by ID. Attackers can exploit this to access victim snapshots containing private prompts, credentials, tool output, and...

CVE-2026-56695

OpenHarness ohmo gateway exposed by default to remote invocation via /resume and /summary, enabling attackers to enumerate and load arbitrary session snapshots by ID. This can grant access to private prompts, credentials, tool output, and file paths through shared gateway channels. Documented imp...

CVE-2026-56695 OpenHarness - Cross-Session Disclosure via /resume and /summary Commands

OpenHarness ohmo gateway /resume and /summary slash commands default remoteinvocable to True, allowing admitted remote senders to enumerate and load arbitrary session snapshots by ID. Attackers can exploit this to access victim snapshots containing private prompts, credentials, tool output, and...

CVE-2026-35019

NetComm NF20MESH routers running firmware R6B031 and earlier contain an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by exploiting a hardcoded AES-256 key used to encrypt session cookies for the web management interface. Attackers can for...

CVE-2026-55767 Guzzle: Dot-Only Cookie Domains Match All Hosts in guzzlehttp/guzzle

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, CookieJar incorrectly accepts cookies with a dot-only Domain attribute and whitespace-padded variants. SetCookie::matchesDomain removes leading dots from the cookie domain, normalizing dot-only values to the empty string; SetCookie::valida...

EUVD-2026-38457

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, CookieJar incorrectly accepts cookies with a dot-only Domain attribute and whitespace-padded variants. SetCookie::matchesDomain removes leading dots from the cookie domain, normalizing dot-only values to the empty string; SetCookie::valida...