EUVD-2026-27510

Jupyter Server has a CORS Origin Validation Bypass via re.match in alloworiginpat from huntr...

Jupyter Server has a CORS Origin Validation Bypass via `re.match()` in `allow_origin_pat`

Jupyter Server uses re.match to validate the Origin header against the alloworiginpat configuration. Since re.match only anchors at the start of the string, an attacker who controls a domain like http://trusted.example.com.evil.com/ passes validation against a pattern intended to match only...

CVE-2026-41057 AVideo has CORS Origin Reflection Bypass via plugin/API/router.php and allowOrigin(true) that Exposes Authenticated API Responses

WWBN AVideo is an open source video platform. In versions 29.0 and below, the CORS origin validation fix in commit 986e64aad is incomplete. Two separate code paths still reflect arbitrary Origin headers with credentials allowed for all /api/ endpoints: 1 plugin/API/router.php lines 4-8...

CVE-2026-41057

CVE-2026-41057 affects WWBN AVideo (versions 29.0 and below). The issue arises from two incomplete CORS mitigations: (1) in plugin/API/router.php (lines 4–8) the server unconditionally reflects arbitrary Origin before application code runs, and (2) get.json.php and set.json.php call allowOrigin(t...

PT-2026-34202

Name of the Vulnerable Software and Affected Versions WWBN AVideo versions 29.0 and earlier Description The allowOrigin$allowAll=true function in objects/functions.php reflects any arbitrary Origin header back in Access-Control-Allow-Origin along with Access-Control-Allow-Credentials: true. This...

WWBN AVideo has a CORS Origin Reflection Bypass via plugin/API/router.php and allowOrigin(true) Exposes Authenticated API Responses

Summary The CORS origin validation fix in commit 986e64aad is incomplete. Two separate code paths still reflect arbitrary Origin headers with credentials allowed for all /api/ endpoints: 1 plugin/API/router.php lines 4-8 unconditionally reflect any origin before application code runs, and 2...

CVE-2026-34373 Parse Server: GraphQL API endpoint ignores CORS origin restriction

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

CVE-2026-34373

Parse Server’s GraphQL API endpoint prior to versions 8.6.66 and 9.7.0-alpha.10 does not respect the allowOrigin setting, unconditionally allowing cross-origin requests from any website and bypassing configured origin restrictions. The REST API enforces allowOrigin correctly. A fix is available i...

CVE-2026-34373 Parse Server: GraphQL API endpoint ignores CORS origin restriction

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

CVE-2026-34373 Parse Server: GraphQL API endpoint ignores CORS origin restriction

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.66 and 9.7.0-alpha.10, the GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This...

GHSA-Q3P6-G7C4-829C GraphQL API endpoint ignores CORS origin restriction

Impact The GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This bypasses origin restrictions that operators configure to control which websites can interact with the Parse Server API. The REST API correctly...

GraphQL API endpoint ignores CORS origin restriction

Impact The GraphQL API endpoint does not respect the allowOrigin server option and unconditionally allows cross-origin requests from any website. This bypasses origin restrictions that operators configure to control which websites can interact with the Parse Server API. The REST API correctly...

CWE-346: CORS Origin Validation Bypass via `re.match()` in `allow_origin_pat`

This report is not public...

CVE-2021-41101

wire-server is an open-source back end for Wire, a secure collaboration platform. Before version 2.106.0, the CORS Access-Control-Allow-Origin header set by nginz is set for all subdomains of .wire.com including wire.com. This means that if somebody were to find an XSS vector in any of the...

CVE-2025-62523

PILOS Platform for Interactive Live-Online Seminars is a frontend for BigBlueButton. PILOS before 4.8.0 includes a Cross-Origin Resource Sharing CORS misconfiguration in its middleware: it reflects the Origin request header back in the Access-Control-Allow-Origin response header without proper...

EUVD-2020-25955

Malware in sbrugna...

CVE-2024-32472

excalidraw is an open source virtual hand-drawn style whiteboard. A stored XSS vulnerability in Excalidraw's web embeddable component. This allows arbitrary JavaScript to be run in the context of the domain where the editor is hosted. There were two vectors. One rendering untrusted string as...

Sensitive Data Exposure

github.com/cilium/cilium is vulnerable to Sensitive Data Exposure. The vulnerability is due to improper default configuration of the Access-Control-Allow-Origin header, which allows cross-origin requests from untrusted sources, potentially exposing sensitive information when accessing the Hubble ...

GHSA-66F2-XXGM-F6XP Flowise Cors Misconfiguration in packages/server/src/index.ts

Flowise is a drag & drop user interface to build a customized large language model flow. In version 1.4.3 of Flowise, A CORS misconfiguration sets the Access-Control-Allow-Origin header to all, allowing arbitrary origins to connect to the website. In the default configuration unauthenticated,...

Origin Validation Error

flowise is vulnerable to a CORS misconfiguration. The vulnerability is due to the Access-Control-Allow-Origin header being set to allow all origins, permitting arbitrary origins to connect to the website. In the default unauthenticated configuration, attackers can exploit this to make requests to...