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8.3
HIGH CVSS 3.1
CVE-2026-44570
Open WebUI: Inconsistent authorization controls within memories API
Overview
Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, authorization controls surrounding the memories API were inconsistent, resulting in the ability of a standard user to delete, restore, and view the contents of other users' memories. Using a newly created non-admin user with no existing memories, it is possible to view existing memories via POST /api/v1/memories/query. Similarly, even if a non-admin user cannot modify another user's memory data via POST /api/v1/memories/{memory_id}/update, the endpoint's response improperly leaks the content of that memory if a valid memory_id is known. The DELETE /api/v1/memories/{memory_id} can also be used by any user to delete an existing memory. Deleted memories can then be restored by calling the POST /api/v1/memories/{memory_id}/update endpoint again. This vulnerability is fixed in 0.6.19.

Details
INFO

Published Date :

May 15, 2026, 10:16 p.m.

Last Modified :

Nov. 11, 2026, 8:10 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2026-44570 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Openwebui open_webui
1 Open-webui open-webui
: Total Affected Vendor : 2 | Products : 2
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
Solution
Update Open WebUI to 0.6.19 or later to fix authorization issues in the memories API.
  • Update Open WebUI to version 0.6.19.
  • Apply vendor patches if available.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-44570.

URL Resource
https://github.com/open-webui/open-webui/security/advisories/GHSA-hmjq-crxp-7rjw Exploit Vendor Advisory
https://github.com/open-webui/open-webui/security/advisories/GHSA-hmjq-crxp-7rjw Exploit Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-44570 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-44570 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-44570 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-44570 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Translated by [email protected]

    Nov. 11, 2026

    Action Type Old Value New Value
    Added Translation Title: Open-webui, Description: Open WebUI es una plataforma de inteligencia artificial autoalojada diseñada para operar completamente sin conexión. Antes de la versión 0.6.19, los controles de autorización relacionados con la API de recuerdos eran inconsistentes, lo que resultaba en la capacidad de un usuario estándar de eliminar, restaurar y ver el contenido de los recuerdos de otros usuarios. Usando un usuario no administrador recién creado sin recuerdos existentes, es posible ver recuerdos existentes a través de POST /api/v1/memories/query. De manera similar, incluso si un usuario no administrador no puede modificar los datos de memoria de otro usuario a través de POST /api/v1/memories/{memory_id}/update, la respuesta del endpoint filtra indebidamente el contenido de esa memoria si se conoce un memory_id válido. El DELETE /api/v1/memories/{memory_id} también puede ser utilizado por cualquier usuario para eliminar un recuerdo existente. Los recuerdos eliminados pueden entonces ser restaurados llamando de nuevo al endpoint POST /api/v1/memories/{memory_id}/update. Esta vulnerabilidad está corregida en la versión 0.6.19.
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'open-webui', 'product': 'open-webui', 'versions': [{'status': 'affected', 'version': '< 0.6.19'}]}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-44570', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-05-18T00:00:00+00:00'}
  • Initial Analysis by [email protected]

    May. 18, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* versions up to (excluding) 0.6.19
    Added Reference Type CISA-ADP: https://github.com/open-webui/open-webui/security/advisories/GHSA-hmjq-crxp-7rjw Types: Exploit, Vendor Advisory
    Added Reference Type GitHub, Inc.: https://github.com/open-webui/open-webui/security/advisories/GHSA-hmjq-crxp-7rjw Types: Exploit, Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    May. 18, 2026

    Action Type Old Value New Value
    Added Reference https://github.com/open-webui/open-webui/security/advisories/GHSA-hmjq-crxp-7rjw
  • New CVE Received by [email protected]

    May. 15, 2026

    Action Type Old Value New Value
    Added Description Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, authorization controls surrounding the memories API were inconsistent, resulting in the ability of a standard user to delete, restore, and view the contents of other users' memories. Using a newly created non-admin user with no existing memories, it is possible to view existing memories via POST /api/v1/memories/query. Similarly, even if a non-admin user cannot modify another user's memory data via POST /api/v1/memories/{memory_id}/update, the endpoint's response improperly leaks the content of that memory if a valid memory_id is known. The DELETE /api/v1/memories/{memory_id} can also be used by any user to delete an existing memory. Deleted memories can then be restored by calling the POST /api/v1/memories/{memory_id}/update endpoint again. This vulnerability is fixed in 0.6.19.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
    Added CWE CWE-639
    Added Reference https://github.com/open-webui/open-webui/security/advisories/GHSA-hmjq-crxp-7rjw
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 8.3
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact