GCD AI RADAR
incidents/AIR-2026-0636

CVE-2026-44554: Open WebUI Vulnerable to RAG Poisoning via Collection Overwrite

Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerabilityData poisoning

Open WebUI retrieval endpoints lack proper authorization checks, enabling unauthorized collection overwrites that can lead to knowledge base destruction and RAG poisoning. A security advisory has been issued for the affected component.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Infrastructure vulnerabilityprimary
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
  • Data poisoning
    Training or retrieval data manipulated to change model behaviour.
owasp llm top 10
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
Framework / tooling
products
Open WebUI
incident date
8 May 2026
first reported
8 May 2026
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
CVE-2026-44554 · rag · open-webui
record
created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json

Sources · 2

  1. 2026-05-08
    CVE-2026-44554: Open WebUI has Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite
    GitHub Advisory Database · github.com/advisories/GHSA-7r82-qhg4-6wvj
  2. 2026-05-15
    CVE-2026-44554: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-44554

Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.

Related incidents