CVE-2026-62646

A vulnerability has been identified in Reyrolle 7SR5 All versions V2.70. A session identifier is generated using an algorithm with insufficient randomness, resulting in a token with low entropy that can be predicted or brute-forced within a feasible number of attempts. This could allow an...

CVE-2026-62647

A vulnerability has been identified in Reyrolle 7SR5 All versions V2.70. A random number generator is used to generate security-relevant values such as session identifiers used for authentication purposes that is not initialized with a True Random Number Generator TRNG, resulting in a predictable...

CVE-2026-62646

CVE-2026-62646 affects Reyrolle 7SR5 (all versions prior to V2.70 ), a Siemens industrial communication gateway. The vulnerability resides in the session identifier generation mechanism: an algorithm with insufficient randomness produces low-entropy tokens that can be predicted or brute-forced. A...

EUVD-2026-70532

MISP contains a session fixation vulnerability in the CustomAuth authentication a custom configuration flow. When a user was successfully authenticated through CustomAuth, MISP stored the authenticated user identity in the existing session without first rotating the session identifier. As a resul...

Oracle Linux 9 : python-urwid (ELSA-2026-58952)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-58952 advisory. - Fix CVE-2026-9323: use cryptographically secure session identifiers in web display module Tenable has extracted the preceding description block directly from...

Astra Linux – Vulnerability in libssh

A flaw was discovered in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange KEX process, a failure in cryptographic functions may lead to a NULL pointer being dereferenced. This issue can cause the client or server to crash...

python-urwid security update

1.3.1-5 - Use secure random session identifiers in web display CVE-2026-9323 - Resolves: RHEL-212562...

python-urwid security update

2.5.3-5 - Use secure random session identifiers...

CVE-2026-47127

Summary: Ghostfolio prior to 3.4.0 allowed any authenticated user to self-grant a 1-year Premium subscription via the Stripe checkout success callback at GET /api/v1/subscription/stripe/callback?checkoutSessionId=, which unconditionally assigns the session’s client_reference_id without checking s...

TencentOS Server 4: python-urwid (TSSA-2026:0729)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0729 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

CVE-2026-16496

The CVE concerns terraform-mcp-server prior to version 1.1.0, where an authorization bypass in the streamable-HTTP stateful transport mode could allow a user who obtains another user’s MCP session ID to execute tool calls using that user’s Terraform credentials. Affected component: terraform-mcp-...

CVE-2026-16496 terraform-mcp-server vulnerable to cross-user credential inheritance if an MCP session ID is obtained by another user

The terraform-mcp-server before version 1.1.0 is vulnerable to an authorization bypass in the streamable-HTTP stateful transport mode that may allow a user who obtains another user's MCP session ID to have their tool calls executed using that user's Terraform credentials. This vulnerability,...

GHSA-85RG-P3FR-XC2F QTINeon has unauthenticated relay-to-host amplification via unbounded RECONNECT_REQUEST forwarding

Impact The relay's reconnect handler forwards every RECONNECTREQUEST to the host without deduplication or a size cap on the pendingReconnects map, unlike the connect flow which guards against this with maxPendingConnections. An unauthenticated attacker who knows a valid session ID can send...

GHSA-74H3-CXQ7-VC5Q Open WebUI: Cross-user code-interpreter and tool execution via unvalidated Socket.IO event-caller session_id

Summary An authenticated low-privilege user can execute arbitrary code-interpreter Python and tools inside another user's authenticated session. The Socket.IO event-caller geteventcall delivers execute:python / execute:tool events to a client-supplied sessionid after only checking that the sessio...

PYSEC-2026-3482 MCP Python SDK: HTTP transports serve session requests without verifying the authenticated principal

Summary In affected versions, the SSE and Streamable HTTP server transports routed incoming requests to an existing session based only on the session identifier, without verifying that the request was authenticated as the same principal that created the session. Anyone who learned or guessed a...

EUVD-2026-46156

The Easy Form Builder by WhiteStudio plugin for WordPress is vulnerable to Unauthenticated Privilege Escalation to Administrator in versions up to, and including, 4.0.11 This is due to the password recovery flow using the publicly-visible session identifier 'sid' as the password reset token store...

CVE-2026-13439

The CVE-2026-13439 entry affects the WordPress plugin Easy Form Builder by WhiteStudio up to version 4.0.11 , where the password-recovery flow relies on a publicly visible session identifier ('sid') as the reset token stored in wp_emsfb_temp_links, combined with a publicly accessible nonce refres...

CVE-2026-9323 Insecure PRNG and Information Exposure in urwid Web Display Backend

The urwid web display backend urwid/display/web.py generates web session identifiers urwidid in Screen.start by concatenating two random.randrange109 calls that use Python's Mersenne Twister PRNG, which is not cryptographically secure. Each call consumes approximately 30 bits of PRNG state, and t...

CVE-2026-9323

The urwid web display backend urwid/display/web.py generates web session identifiers urwidid in Screen.start by concatenating two random.randrange109 calls that use Python's Mersenne Twister PRNG, which is not cryptographically secure. Each call consumes approximately 30 bits of PRNG state, and t...

Authorization Bypass Through User-Controlled Key

Overview mcp is a The official Ruby SDK for Model Context Protocol servers and clients Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in lib/mcp/server/transports/streamablehttptransport.rb, which processes tool execution requests to...