CVE-2026-28323 SolarWinds Web Help Desk SAML Authentication Bypass Vulnerability

SolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to be enabled...

ThreatsDay: AI-Powered Hacking, 370 Chrome Flaws, SonicWall Attacks, DNS Hijacking + 22 More Stories

A lot of security still comes down to trusting the wrong screen. This week, that screen might be a login page, an install guide, a recruiter call, or a familiar service behaving slightly wrong. Behind it: reused credentials, exposed systems, quiet loaders, abused trust, and exploit paths that...

CVE-2026-67349

OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELMVALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMINTOKEN is unset, allowing unauthenticated attackers to modify GCP servic...

CVE-2026-67348

Julep contains an insecure direct object reference vulnerability in the getexecutiondetails endpoint that allows authenticated tenants to read another tenant's execution data. Attackers can supply arbitrary executionid values to retrieve sensitive execution records including task inputs, outputs,...

CVE-2026-54885

Server-Side Request Forgery vulnerability in malach-it Boruta allows an unauthenticated remote attacker to cause the OAuth/OpenID authorization server to issue outbound HTTP requests to attacker-chosen URIs, including internal services and cloud metadata endpoints. Three code paths fetch remote...

Flyto2 Core: Multiple HTTP-family modules fetch client-controlled URLs without the SSRF guard their siblings apply (SSRF to internal/metadata)

Summary Numerous HTTP-emitting modules core.api.httpget, core.api.httppost, graphql.query/graphql.mutation, monitor.httpcheck, communication.slacksend, notification.discord,slack,teams.sendmessage, ai.visionanalyze anthropic path, verify.visualdiff, browser.proxyrotate, and the agent/llm inline...

GHSA-PGWH-4JJ4-QM8V Flyto2 Core: Multiple HTTP-family modules fetch client-controlled URLs without the SSRF guard their siblings apply (SSRF to internal/metadata)

Summary Numerous HTTP-emitting modules core.api.httpget, core.api.httppost, graphql.query/graphql.mutation, monitor.httpcheck, communication.slacksend, notification.discord,slack,teams.sendmessage, ai.visionanalyze anthropic path, verify.visualdiff, browser.proxyrotate, and the agent/llm inline...

MCP Ruby SDK: Ruby SSE Session Poisoning

Summary Vulnerability: Missing Session Ownership Validation in the Ruby MCP SDK's Streamable and SSE HTTP transport implementation. Any attacker with a stolen session ID can execute tools with the victim's session. This is a silent attack - the victim's session is compromised and being used for...

GHSA-5P9G-J988-PCWV MCP Ruby SDK: Ruby SSE Session Poisoning

Summary Vulnerability: Missing Session Ownership Validation in the Ruby MCP SDK's Streamable and SSE HTTP transport implementation. Any attacker with a stolen session ID can execute tools with the victim's session. This is a silent attack - the victim's session is compromised and being used for...

MCP Ruby SDK: Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport

Summary An unauthenticated remote attacker can force any MCP Ruby SDK server using MCP::Server::Transports::StreamableHTTPTransport to allocate gigabytes of memory by sending a single oversized JSON-RPC POST. The transport reads the entire HTTP body into a Ruby String and parses it with...

GHSA-H669-8M4G-R2HC MCP Ruby SDK: Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport

Summary An unauthenticated remote attacker can force any MCP Ruby SDK server using MCP::Server::Transports::StreamableHTTPTransport to allocate gigabytes of memory by sending a single oversized JSON-RPC POST. The transport reads the entire HTTP body into a Ruby String and parses it with...

MCP Ruby SDK: Unbounded session retention in StreamableHTTPTransport allows memory exhaustion via initialize flood

Summary In its default configuration, MCP::Server::Transports::StreamableHTTPTransport never expires sessions. Every successful initialize request stores a new ServerSession and a session record under a fresh UUID, and the only path that removes them is an explicit client-issued HTTP DELETE. An...

GHSA-52JP-GJ8W-J6XH MCP Ruby SDK: Unbounded session retention in StreamableHTTPTransport allows memory exhaustion via initialize flood

Summary In its default configuration, MCP::Server::Transports::StreamableHTTPTransport never expires sessions. Every successful initialize request stores a new ServerSession and a session record under a fresh UUID, and the only path that removes them is an explicit client-issued HTTP DELETE. An...

MCP Ruby SDK: Unbounded line buffer in stdio transports leads to memory exhaustion (DoS)

Summary The stdio transports in MCP::Server::Transports::StdioTransport and MCP::Client::Stdio read newline-delimited JSON-RPC frames using IOgets with no limit argument. CRuby's IOgets with no limit reads from the current position until the next separator \n with no upper bound on the returned...

GHSA-7683-3W9X-CH42 MCP Ruby SDK: Unbounded line buffer in stdio transports leads to memory exhaustion (DoS)

Summary The stdio transports in MCP::Server::Transports::StdioTransport and MCP::Client::Stdio read newline-delimited JSON-RPC frames using IOgets with no limit argument. CRuby's IOgets with no limit reads from the current position until the next separator \n with no upper bound on the returned...

MCP Ruby SDK: Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection

Summary MCP::Server::Transports::StreamableHTTPTransport the Rack-mountable Streamable HTTP transport in the mcp gem processes every incoming JSON-RPC request without ever inspecting the HTTP Host or Origin request headers. There is no AllowedHosts/AllowedOrigins allowlist and no DNS-rebinding...

GHSA-RJR6-RCGV-9M7M MCP Ruby SDK: Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection

Summary MCP::Server::Transports::StreamableHTTPTransport the Rack-mountable Streamable HTTP transport in the mcp gem processes every incoming JSON-RPC request without ever inspecting the HTTP Host or Origin request headers. There is no AllowedHosts/AllowedOrigins allowlist and no DNS-rebinding...

CVE-2026-67349

OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELMVALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMINTOKEN is unset, allowing unauthenticated attackers to modify GCP servic...

CVE-2026-67349

OpenCost before 1.121.0 is vulnerable. The GET /helmValues endpoint does not require authentication, exposing a base64-decoded HELM_VALUES containing cloud provider credentials. Additionally, adminAuthMiddleware is permissive when ADMIN_TOKEN is unset, allowing unauthenticated POST /serviceKey to...

CVE-2026-67349 OpenCost < 1.121.0 Unauthenticated Helm Values Exposure and Admin Bypass

OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELMVALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMINTOKEN is unset, allowing unauthenticated attackers to modify GCP servic...