PYSEC-2026-410 mcp-pinot: Unauthenticated tool invocation via default oauth_enabled=False + host 0.0.0.0 bind

Resolution Fixed in v3.1.0, released 2026-05-25. The fix was merged in PR 95 at commit 1c7d3f9. The fix changes the default HTTP bind host to 127.0.0.1, refuses non-loopback HTTP/HTTPS exposure unless OAuth is enabled, makes Helm exposure opt-in and OAuth-gated, and adds parser-backed...

PYSEC-2026-499 pyload-ng vulnerable to RCE with js2py sandbox escape

Summary Any pyload-ng running under python3.11 or below are vulnerable under RCE. Attacker can send a request containing any shell command and the victim server will execute it immediately. Details js2py has a vulnerability of sandbox escape assigned as CVE-2024-28397, which is used by the...

PYSEC-2026-306 Server-Side Request Forgery in calibreweb

calibreweb prior to version 0.6.17 is vulnerable to server-side request forgery SSRF. This is a result of incomplete SSRF protection that can be bypassed via an HTTP redirect. An HTTP server set up to respond with a 302 redirect may redirect a request to localhost...

EulerOS 2.0 SP15 : cups (EulerOS-SA-2026-2437)

According to the versions of the cups packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local...

GHSA-73CV-556C-W3G6 mcp-pinot: Unauthenticated tool invocation via default oauth_enabled=False + host 0.0.0.0 bind

Resolution Fixed in v3.1.0, released 2026-05-25. The fix was merged in PR 95 at commit 1c7d3f9. The fix changes the default HTTP bind host to 127.0.0.1, refuses non-loopback HTTP/HTTPS exposure unless OAuth is enabled, makes Helm exposure opt-in and OAuth-gated, and adds parser-backed...

GHSA-VGRC-HQ28-P3XP Hysteria has an authenticated UDP ACL bypass that enables localhost and private-network UDP SSRF

Summary Hysteria's UDP relay treats the destination address as packet-scoped, but ACL and outbound policy are applied only once when a new UDP session is created. After an authenticated client opens a UDP session using an allowed first destination, later packets in the same Session ID can be sent...

CVE-2026-52783 OpenProject: Information Disclosure (cleartext storage of data) on localhost through memcached via Others "storage.<id>.httpx_access_token" leads to Sensitive Data Exposure

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, OpenProject's Storages module writes the OneDrive/SharePoint userless OAuth accesstoken plaintext to Rails.cache under the deterministic key storage..httpxaccesstoken, repopulated continuously by an...

CVE-2026-52783

OpenProject stores OneDrive/SharePoint userless OAuth access_token in plaintext in Rails.cache within the Storages module prior to versions 17.3.3 and 17.4.1. None of the allowed backends (file_store, memcache, redis) encrypts data at rest. An attacker with read access to the cache can retrieve t...

GHSA-PR7J-96CJ-549H Fluentd is Vulnerable to Exposure of Sensitive Information via Monitor Agent API

Fluentd's Monitor Agent plugin inmonitoragent exposes internal metrics and plugin information via a REST API. It was discovered that the API response /api/plugins.json and related endpoints unintentionally includes internal instance variables of loaded plugins. If any plugins store sensitive...

Fluentd is Vulnerable to Exposure of Sensitive Information via Monitor Agent API

Fluentd's Monitor Agent plugin inmonitoragent exposes internal metrics and plugin information via a REST API. It was discovered that the API response /api/plugins.json and related endpoints unintentionally includes internal instance variables of loaded plugins. If any plugins store sensitive...

PT-2026-53003

Name of the Vulnerable Software and Affected Versions Fluentd versions prior to 1.19.3 Description The Monitor Agent plugin in monitor agent exposes internal metrics and plugin information through a REST API. The responses from the /api/plugins.json endpoint and related endpoints unintentionally...

GO-2026-5771 DNS Rebinding Protection Disabled by Default in Model Context Protocol Go SDK for Servers Running on Localhost in github.com/modelcontextprotocol/go-sdk

DNS Rebinding Protection Disabled by Default in Model Context Protocol Go SDK for Servers Running on Localhost in github.com/modelcontextprotocol/go-sdk...

CVE-2026-49980

A flaw was found in Rclone, a command-line program for cloud storage synchronization. When the rcd --rc-serve option is enabled, an unauthenticated remote attacker can send specially crafted GET or HEAD requests to execute arbitrary commands as the Rclone process user. This vulnerability allows f...

CVE-2026-54069

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan Note's kernel HTTP server unconditionally trusts all chrome-extension:// origins, granting RoleAdministrator access to every installed browser extension without any authentication. Combined with the default empt...

CVE-2026-54069 SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan Note's kernel HTTP server unconditionally trusts all chrome-extension:// origins, granting RoleAdministrator access to every installed browser extension without any authentication. Combined with the default empt...

CVE-2026-49411

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.8.0, the Node.js compatibility TCP path checked the permission against the original hostname string before resolution and then did not re-check after resolution. A caller could therefore pass a numeric alias of an IP address fo...

Security Bulletin: SSRF via HTTP Redirect Following in Langflow API Request Component

Summary Langflow OSS contains SSRF vulnerability in API Request component allowing authenticated flow authors to read localhost/private HTTP services via redirect following. APIRequestComponent.makeapirequest validates only initial URL with validateandresolveurl and pins DNS for initial hostname,...

CVE-2026-56342 AVideo - Server-Side Request Forgery in Live/test.php via statsURL Parameter

AVideo through version 27.0 contains a server-side request forgery vulnerability in plugin/Live/test.php that allows authenticated administrators to read arbitrary URLs via the statsURL parameter, which lacks isSSRFSafeURL validation and accepts requests to private IP ranges and cloud metadata...

CVE-2026-56227

Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these...

CVE-2026-56227 Capgo - Server-Side Request Forgery via Webhook URL Validation

Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these...