Cwe-639 — PoC Archivehttps://poc.intelseclab.com/tags/cwe-639/Latest proof-of-concept entries.Hugoen-usSun, 09 Aug 2026 00:00:00 +0000Apache Polaris — Cross-Tenant Credential Vending Before Location Validation in Iceberg REST Register (CVE-2026-64640)https://poc.intelseclab.com/pocs/cloud/2026-08-09_cve-2026-64640-apache-polaris-cross-tenant-credential-vending/Sun, 09 Aug 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/cloud/2026-08-09_cve-2026-64640-apache-polaris-cross-tenant-credential-vending/High severity (CVSS 8.1) — cloud · CVE-2026-64640. Status: Patched. Affects: Apache Polaris (Apache Iceberg REST catalog), registerTable and registerView endpoints. Tags: apache-polaris, iceberg, apache-iceberg, credential-vending, confused-deputy, authorization-bypass, cross-tenant, s3, storage, allowed-locations, CWE-441, CWE-639, CWE-918, ssrf, server-side-read, information-disclosure, register-table, register-view.cloudHighapache-polarisicebergapache-icebergcredential-vendingconfused-deputyauthorization-bypasscross-tenants3storageallowed-locationsCWE-441CWE-639CWE-918ssrfserver-side-readinformation-disclosureregister-tableregister-viewLangflow Responses API IDOR — Execute Another User's Flow (CVE-2026-55255)https://poc.intelseclab.com/pocs/web/2026-07-19_cve-2026-55255-langflow-responses-api-idor/Sun, 19 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-07-19_cve-2026-55255-langflow-responses-api-idor/High severity (CVSS 8.4) — web · CVE-2026-55255 (GHSA-qrpv-q767-xqq2). Status: Weaponized — confirmed cross-user flow execution via a minimal request-only PoC. Affects: Langflow — open-source platform for building and deploying AI-powered agents and workflows (langflow-ai/langflow), OpenAI-compatible Responses API. Tags: langflow, ai-agent-framework, idor, cwe-639, authenticated, remote, cross-tenant, kev.webHighlangflowai-agent-frameworkidorcwe-639authenticatedremotecross-tenantkevWordPress Service Finder Bookings ≤ 6.0 Authentication Bypass via `original_user_id` Cookie (CVE-2025-5947)https://poc.intelseclab.com/pocs/web/2026-07-06_cve-2025-5947-servicefinder-bookings-cookie-auth-bypass/Mon, 06 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-07-06_cve-2025-5947-servicefinder-bookings-cookie-auth-bypass/Critical severity (CVSS 9.8) — web · CVE-2025-5947. Status: Weaponized. Affects: WordPress plugin "Service Finder Bookings" (sf-booking). Tags: wordpress, service-finder-bookings, sf-booking, authentication-bypass, cookie-forgery, privilege-escalation, cwe-639.webCriticalwordpressservice-finder-bookingssf-bookingauthentication-bypasscookie-forgeryprivilege-escalationcwe-639Saleor GraphQL IDOR — Unauthenticated Order PII Exfiltration (CVE-2026-24136)https://poc.intelseclab.com/pocs/web/2026-07-05_cve-2026-24136-saleor-graphql-idor/Sun, 05 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-07-05_cve-2026-24136-saleor-graphql-idor/High severity (CVSS 7.5) — web · CVE-2026-24136. Status: PoC. Affects: Saleor e-commerce platform (GraphQL API). Tags: saleor, graphql, idor, bola, cwe-639, pii-leak, unauthenticated, e-commerce.webHighsaleorgraphqlidorbolacwe-639pii-leakunauthenticatede-commerce