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archive/Patch now/AIR-2025-0387
closedclosed 4 Dec 2025Patch now2 Disclosed vulnerabilityAI

CVE-2025-63681: Open WebUI Incorrect Access Control Vulnerability

open-webui

Open WebUI contains an incorrect access control flaw in its task cancellation API. Normal users can cancel arbitrary LLM response tasks without verifying ownership.

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

CVSS
2.1
EPSS
<0.01 · top 77% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
4 Dec 2025
last update
4 Dec 2025
CVE ids
CVE-2025-63681other records

Timeline · 1

  1. 4 Dec 2025CVE-2025-63681: open-webui is Vulnerable to Incorrect Access Control

Sources · 1

Advisories and databases

  1. 2025-12-04
    CVE-2025-63681: open-webui is Vulnerable to Incorrect Access Control
    GitHub Advisory Database · github.com/advisories/GHSA-frv8-gffc-37px

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

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
access-control
dates
happened 4 Dec 2025 · first reported 4 Dec 2025
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.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2025-63681: Open WebUI Incorrect Access Control Vulnerability

https://gcdradar.vercel.app/incidents/cve-2025-63681-open-webui-incorrect-access-control-vulnerabi · AIR-2025-0387 · closed 2025-12-04

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-12-04
- AI role: Attack on AI
- Products: open-webui
- CVE ids: CVE-2025-63681
- CVSS: 2.1

## Summary

Open WebUI contains an incorrect access control flaw in its task cancellation API. Normal users can cancel arbitrary LLM response tasks without verifying ownership.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-12-04: CVE-2025-63681: open-webui is Vulnerable to Incorrect Access Control (https://github.com/advisories/GHSA-frv8-gffc-37px)

## Sources

- 2025-12-04 GitHub Advisory Database: CVE-2025-63681: open-webui is Vulnerable to Incorrect Access Control https://github.com/advisories/GHSA-frv8-gffc-37px

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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