CVE-2026-40196

HomeBox is a home inventory and organization system. Versions prior to 0.25.0 contain a vulnerability where the defaultGroup ID remained permanently assigned to a user after being invited to a group, even after their access to that group was revoked. While the web interface correctly enforced the...

PT-2026-33885

Name of the Vulnerable Software and Affected Versions OpenBao versions prior to 2.5.3 Description OpenBao is an open source identity-based secrets management system that utilizes namespaces for multi-tenant separation. A flaw exists where a tenant that leaks token accessors may have their token...

Cross‑tenant helpdesk impersonation to data exfiltration: A human-operated intrusion playbook

In this article 1. Risk to enterprise environments 2. Attack chain overview 1. Stage 1: Initial contact via Teams T1566.003 Spearphishing via Service 2. Stage 2: Remote assistance foothold 3. Stage 3: Interactive reconnaissance and access validation 4. Stage 4: Payload placement and trusted...

Cross‑tenant helpdesk impersonation to data exfiltration: A human-operated intrusion playbook

In this article 1. Risk to enterprise environments 2. Attack chain overview 1. Stage 1: Initial contact via Teams T1566.003 Spearphishing via Service 2. Stage 2: Remote assistance foothold 3. Stage 3: Interactive reconnaissance and access validation 4. Stage 4: Payload placement and trusted...

Incorrect Ownership Assignment

Overview Affected versions of this package are vulnerable to Incorrect Ownership Assignment through improper validation of the defaultGroup ID after group access revocation. An attacker can gain unauthorized access to group collections and perform full CRUD operations by omitting the X-Tenant...

Incorrect Ownership Assignment

Overview Affected versions of this package are vulnerable to Incorrect Ownership Assignment through improper validation of the defaultGroup ID after group access revocation. An attacker can gain unauthorized access to group collections and perform full CRUD operations by omitting the X-Tenant...

Flowise: Mass Assignment in DocumentStore Create Endpoint Leads to Cross-Workspace Object Takeover (IDOR)

Summary A Mass Assignment vulnerability in the DocumentStore creation endpoint allows authenticated users to control the primary key id and internal state fields of DocumentStore entities. Because the service uses repository.save with a client-supplied primary key, the POST create endpoint behave...

CVE-2026-40196

HomeBox is a home inventory and organization system. Versions prior to 0.25.0 contain a vulnerability where the defaultGroup ID remained permanently assigned to a user after being invited to a group, even after their access to that group was revoked. While the web interface correctly enforced the...

CVE-2026-40196

HomeBox is a home inventory and organization system. Versions prior to 0.25.0 contain a vulnerability where the defaultGroup ID remained permanently assigned to a user after being invited to a group, even after their access to that group was revoked. While the web interface correctly enforced the...

CVE-2026-40196 HomeBox has Unauthorized API Access via Retained defaultGroup ID After Group Access Revocation

HomeBox is a home inventory and organization system. Versions prior to 0.25.0 contain a vulnerability where the defaultGroup ID remained permanently assigned to a user after being invited to a group, even after their access to that group was revoked. While the web interface correctly enforced the...

SUSE CVE-2026-21727

--- title: Cross-Tenant Legacy Correlation Disclosure and Deletion draft: false hero: image: /static/img/heros/hero-legal2.svg content: " Cross-Tenant Legacy Correlation Disclosure and Deletion" date: 2026-01-29 product: Grafana severity: Low cve: CVE-2026-21727 cvssscore: "3.3" cvssvector:...

Paperclip: Cross-tenant agent API key IDOR in `/agents/:id/keys` routes allows full victim-company compromise

Summary The GET, POST, and DELETE handlers under /agents/:id/keys in the Paperclip control-plane API only call assertBoardreq, which verifies that the caller has a board-type session but does not verify that the caller has access to the company owning the target agent. A board user whose membersh...

GHSA-3XX2-MQJM-HG9X Paperclip: Cross-tenant agent API key IDOR in `/agents/:id/keys` routes allows full victim-company compromise

Summary The GET, POST, and DELETE handlers under /agents/:id/keys in the Paperclip control-plane API only call assertBoardreq, which verifies that the caller has a board-type session but does not verify that the caller has access to the company owning the target agent. A board user whose membersh...

Insufficient Granularity of Access Control

Overview Affected versions of this package are vulnerable to Insufficient Granularity of Access Control inadequate authorization checks in the POST /api/agents/:id/keys, GET /api/agents/:id/keys, and DELETE /api/agents/:id/keys/:keyId routes. An attacker can gain unauthorized access to sensitive...

Insufficient Granularity of Access Control

Overview @paperclipai/ui is a Prebuilt Paperclip board UI assets. Affected versions of this package are vulnerable to Insufficient Granularity of Access Control inadequate authorization checks in the POST /api/agents/:id/keys, GET /api/agents/:id/keys, and DELETE /api/agents/:id/keys/:keyId route...

GHSA-47WQ-CJ9Q-WPMP Paperclip: Cross-tenant agent API token minting via missing assertCompanyAccess on /api/agents/:id/keys

Isolated paperclip instance running in authenticated mode default config on a clean Docker image matching commit b649bd4 2026.411.0-canary.8, post the 2026.410.0 patch. This advisory was verified on an unmodified build. Summary POST /api/agents/:id/keys, GET /api/agents/:id/keys, and DELETE...

Insufficient Granularity of Access Control

Overview Affected versions of this package are vulnerable to Insufficient Granularity of Access Control inadequate authorization checks in the POST /api/agents/:id/keys, GET /api/agents/:id/keys, and DELETE /api/agents/:id/keys/:keyId routes. An attacker can gain unauthorized access to sensitive...

CVE-2026-39842

OpenRemote is an open-source IoT platform. Versions 1.21.0 and below contain two interrelated expression injection vulnerabilities in the rules engine that allow arbitrary code execution on the server. The JavaScript rules engine executes user-supplied scripts via Nashorn's ScriptEngine.eval...

CVE-2026-21727

A flaw was found in Grafana. This cross-tenant isolation vulnerability affects legacy correlation records, specifically those created prior to Grafana 10.2. A user with datasource management privileges can exploit a backward compatibility condition, which allows records with an organization ID...

EUVD-2026-23126

A flaw was found in ArgoCD Image Updater. This vulnerability allows an attacker, with permissions to create or modify an ImageUpdater resource in a multi-tenant environment, to bypass namespace boundaries. By exploiting insufficient validation, the attacker can trigger unauthorized image updates ...