CVE-2026-29070 identifies a missing access control vulnerability in Open WebUI versions prior to 0.8.6, where an authenticated user with write access to any knowledge base can delete arbitrary files from other knowledge bases if the file ID is known. This medium-severity issue (CVSS 5.4) has a low attack complexity and requires low privileges, potentially leading to low integrity and availability impacts through unauthorized file deletion. Currently, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage regarding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.8.6CPE matchmatch criteria | cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.