Cybersecurity-Handbook

📚 Cybersecurity Handbook An open-source cybersecurity knowledge base for students, professionals, and self-learners — built as structured notes, hands-on labs, and real-world concepts you can search and navigate visually. Built with Quartz • Powered by Markdown • Community Driven • MIT Licensed...

Aether

Aether An AI-driven OSINT analyst that lives on your desktop. Give her a name, an email, a username, a domain, or a photo. She opens a case, runs the target across the open web, reads the metadata, maps the infrastructure, and draws everything she finds into a knowledge graph that grows while you...

appsec-forge

appsec-forge Created for Developers, DevOps, AppSec, DevSecOps, and Security Engineers. A repository-first security knowledge base covering secure development, application security, infrastructure, software supply chain, AI, and DevSecOps. Study security problems the same way experienced...

RAGSieve

RAGSieve Code for RAGSieve: Detecting Knowledge-Poisoned Documents in RAG Without a Trusted Reference. RAGSieve detects knowledge-poisoning documents at two points in a retrieval-augmented generation RAG system. RSQ is an online filter: it scores the five documents selected for generation against...

CVE-2026-54504

MCP Documentation Server is a local-first document management and semantic search server for AI coding agents. From 1.13.0 until 1.13.1, the automatically started Web UI in src/server.ts calls startWebServer in src/web-server.ts with STARTWEBUI enabled by default and WEBPORT set to 3080...

EUVD-2026-82392

MCP Documentation Server is a local-first document management and semantic search server for AI coding agents. From 1.13.0 until 1.13.1, the automatically started Web UI in src/server.ts calls startWebServer in src/web-server.ts with STARTWEBUI enabled by default and WEBPORT set to 3080...

CVE-2026-91750 WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects

WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal networ...

CVE-2026-91750

WeKnora before 0.7.0 (developed by Tencent) is vulnerable to SSRF via unvalidated HTTP redirects. The flaw resides in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint, which fails to re-validate redirect targets after the initial SSRF check when downloading documents from user-supplied...

CVE-2026-91750 WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects

WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal networ...

CVE-2026-91750 WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects

WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal networ...

CVE-2026-91750: Server-Side Request Forgery (SSRF)

WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal networ...

Open WebUI: Inaccessible knowledge bases are exposed through the built-in knowledge tool on most vector backends

Summary The built-in knowledge search tool returns knowledge bases the calling user has no access to. The tool works out which knowledge bases the caller may read and hands that set to the vector store as a search filter, and that filter is the only access control on the path. Most of the shipped...

EUVD-2026-75177

Open WebUI: Inaccessible knowledge bases are exposed through the built-in knowledge tool on most vector backends...

GHSA-PCVC-8VRV-8Q6W Open WebUI: Inaccessible knowledge bases are exposed through the built-in knowledge tool on most vector backends

Summary The built-in knowledge search tool returns knowledge bases the calling user has no access to. The tool works out which knowledge bases the caller may read and hands that set to the vector store as a search filter, and that filter is the only access control on the path. Most of the shipped...

Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion

Summary External knowledge connections are created and owned by administrators, and are shared by every external knowledge base bound to them. Deleting an external knowledge base also removed that connection from the instance configuration, with no check on the caller's role and no check for othe...

EUVD-2026-75183

Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion...

GHSA-2724-6CPJ-GF3V Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion

Summary External knowledge connections are created and owned by administrators, and are shared by every external knowledge base bound to them. Deleting an external knowledge base also removed that connection from the instance configuration, with no check on the caller's role and no check for othe...

CVE-2026-87998

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/knowledge/id/delete in backend/openwebui/routers/knowledge.py authorized deletion against the knowledge base but then removed its administrator-owned external connection...

CVE-2026-87017

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.7.0 until 0.11.1, the built-in knowledge search tool passed the caller's readable knowledge identifiers through a metadata filter, but the search methods in eleven shipped vector backends ignored that...

CVE-2026-87998 Open WebUI: Non-admin users can delete admin-owned external knowledge connections via knowledge base deletion

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/knowledge/id/delete in backend/openwebui/routers/knowledge.py authorized deletion against the knowledge base but then removed its administrator-owned external connection...