Medium severity · published Mar 26, 2026
CVE-2026-29071
Open WebUI's Insecure Direct Object Reference (IDOR) allows access to other users' memories
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.6, any authenticated user can read other users' private memories via `/api/v1/retrieval/query/collection`. Version 0.8.6 patches the issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
open-webui · open-webui
< 0.8.6 · source: vendor
OW
Open Webui · Openwebui
before 0.8.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-29071
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-29071
Exploit
https://github.com/open-webui/open-webui/security/advisories/GHSA-w9f8-gxf9-rhvw
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