CVE-2026-55671 ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview 9router is a 9Router CLI - Start and manage 9Router server Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition through the image process in open-sse/translator/concerns/image.js. An attacker can access internal-only HTTP services by...

CVE-2026-56676 9router: Image prefetch DNS rebinding allows SSRF to internal services

9Router is an AI router & token saver. Prior to 0.5.2, 9router validates image URLs by resolving the host before fetching, but open-sse/translator/concerns/image.js performs the later server-side image fetch with a separate DNS resolution. An authenticated attacker with access to the LLM proxy ca...

CVE-2026-56676 9router: Image prefetch DNS rebinding allows SSRF to internal services

9Router is an AI router & token saver. Prior to 0.5.2, 9router validates image URLs by resolving the host before fetching, but open-sse/translator/concerns/image.js performs the later server-side image fetch with a separate DNS resolution. An authenticated attacker with access to the LLM proxy ca...

CVE-2026-56676

9router is affected by an image prefetch DNS rebinding vulnerability (CVE-2026-56676). Prior to v0.5.2, the application validates the image URL by DNS resolution but then performs a server-side fetch with a separate DNS lookup, enabling an authenticated attacker with access to the LLM proxy to tr...

CVE-2026-56676

9Router is an AI router & token saver. Prior to 0.5.2, 9router validates image URLs by resolving the host before fetching, but open-sse/translator/concerns/image.js performs the later server-side image fetch with a separate DNS resolution. An authenticated attacker with access to the LLM proxy ca...

CVE-2026-60091

PraisonAI before 4.6.78 contains an unauthenticated server-side request forgery vulnerability in the Jobs API /api/v1/runs endpoint. The webhookurl parameter is validated at request time but re-resolved at connection time, allowing attackers to use DNS rebinding to reach internal services with a...

CVE-2026-60091 PraisonAI before 4.6.78 Unauthenticated SSRF via webhook_url

PraisonAI before 4.6.78 contains an unauthenticated server-side request forgery vulnerability in the Jobs API /api/v1/runs endpoint. The webhookurl parameter is validated at request time but re-resolved at connection time, allowing attackers to use DNS rebinding to reach internal services with a...

CVE-2026-60091

PraisionAI before 4.6.78 is affected by an unauthenticated SSRF in the Jobs API /api/v1/runs. The webhook_url parameter is validated at request time but re-resolved at connection time, enabling DNS rebinding to reach internal services via a blind SSRF attack. CVSS metrics: CVSSv3.1 base score 7.2...

CVE-2026-60091 PraisonAI before 4.6.78 Unauthenticated SSRF via webhook_url

PraisonAI before 4.6.78 contains an unauthenticated server-side request forgery vulnerability in the Jobs API /api/v1/runs endpoint. The webhookurl parameter is validated at request time but re-resolved at connection time, allowing attackers to use DNS rebinding to reach internal services with a...

GHSA-37H2-6P4F-MP3Q Serena: Unauthenticated Flask dashboard on fixed port enables DNS rebinding → memory poisoning → RCE

Summary Serena's built-in web dashboard exposes an unauthenticated Flask API on a fixed, predictable port TCP 24282, hardcoded as 0x5EDA in constants.py. The server has no authentication, no CSRF protection, and no Host header validation. A DNS rebinding attack allows a malicious webpage to reach...

CVE-2026-49471

Serena is a powerful MCP toolkit for coding that provides semantic retrieval and editing capabilities. Prior to v1.5.2, Serena's built-in web dashboard exposes an unauthenticated Flask API on a fixed, predictable port, with no authentication, no CSRF protection, and no Host header validation. A D...

CVE-2026-49471

Serena is a powerful MCP toolkit for coding that provides semantic retrieval and editing capabilities. Prior to v1.5.2, Serena's built-in web dashboard exposes an unauthenticated Flask API on a fixed, predictable port, with no authentication, no CSRF protection, and no Host header validation. A D...

CVE-2026-49471

Serena exposes an unauthenticated Flask API on a fixed port prior to v1.5.2, with no authentication, CSRF protection, or Host header validation. A DNS rebinding attack can reach this API from any browser and write arbitrary content to the agent’s persistent memory store, which the agent may read ...

PYSEC-2026-1656 MLFlow is vulnerable to DNS rebinding attacks due to a lack of Origin header validation

MLFlow versions up to and including 3.4.0 are vulnerable to DNS rebinding attacks due to a lack of Origin header validation in the MLFlow REST server. This vulnerability allows malicious websites to bypass Same-Origin Policy protections and execute unauthorized calls against REST endpoints. An...

PYSEC-2026-1617 Model Context Protocol (MCP) Python SDK does not enable DNS rebinding protection by default

Description The Model Context Protocol MCP Python SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication using FastMCP with streamable HTTP or SSE transport, and has not configured...

PYSEC-2026-1620 Neo4j Cypher MCP server is vulnerable to DNS rebinding

Impact DNS rebinding vulnerability in Neo4j Cypher MCP server allows malicious websites to bypass Same-Origin Policy protections and execute unauthorised tool invocations against locally running Neo4j MCP instances. The attack relies on the user being enticed to visit a malicious website and spen...

PYSEC-2026-2050 Domain restrictions bypass via DNS Rebinding in WireMock and WireMock Studio webhooks, proxy and recorder modes

Impact The proxy mode of WireMock, can be protected by the network restrictions configuration, as documented in Preventing proxying to and recording from specific target addresses. These restrictions can be configured using the domain names, and in such a case the configuration is vulnerable to t...

Domain restrictions bypass via DNS Rebinding in WireMock and WireMock Studio webhooks, proxy and recorder modes

ImpactThe proxy mode of WireMock, can be protected by the network restrictions configuration, as documented in Preventing proxying to and recording from specific target addresses. These restrictions can be configured using the domain names, and in such a case the configuration is vulnerable to th...

PT-2026-56242

Name of the Vulnerable Software and Affected Versions Serena versions prior to 1.5.2 Description The built-in web dashboard exposes an unauthenticated Flask API on a fixed, predictable port. This API lacks authentication, Cross-Site Request Forgery CSRF protection, and Host header validation. A D...