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Vulnerability details: VCID-um53-kf7u-kkg6
Vulnerability ID VCID-um53-kf7u-kkg6
Aliases CVE-2026-34222
GHSA-7429-hxcv-268m
Summary Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to version 0.8.11, there is a broken access control vulnerability in tool values. This issue has been patched in version 0.8.11.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-285 Improper Authorization
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00016 https://api.first.org/data/v1/epss?cve=CVE-2026-34222
epss 0.00016 https://api.first.org/data/v1/epss?cve=CVE-2026-34222
epss 0.00016 https://api.first.org/data/v1/epss?cve=CVE-2026-34222
cvssv3.1 7.7 http://seclists.org/fulldisclosure/2026/Apr/4
generic_textual HIGH http://seclists.org/fulldisclosure/2026/Apr/4
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-7429-hxcv-268m
cvssv3.1 7.7 https://github.com/open-webui/open-webui
generic_textual HIGH https://github.com/open-webui/open-webui
cvssv3.1 7.7 https://github.com/open-webui/open-webui/releases/tag/v0.8.11
generic_textual HIGH https://github.com/open-webui/open-webui/releases/tag/v0.8.11
ssvc Track https://github.com/open-webui/open-webui/releases/tag/v0.8.11
cvssv3.1 7.7 https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
cvssv3.1_qr HIGH https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
generic_textual HIGH https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
ssvc Track https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
cvssv3.1 7.7 https://nvd.nist.gov/vuln/detail/CVE-2026-34222
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2026-34222
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-34222
http://seclists.org/fulldisclosure/2026/Apr/4
https://github.com/open-webui/open-webui
https://nvd.nist.gov/vuln/detail/CVE-2026-34222
GHSA-7429-hxcv-268m https://github.com/advisories/GHSA-7429-hxcv-268m
GHSA-7429-hxcv-268m https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
v0.8.11 https://github.com/open-webui/open-webui/releases/tag/v0.8.11
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at http://seclists.org/fulldisclosure/2026/Apr/4
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://github.com/open-webui/open-webui
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://github.com/open-webui/open-webui/releases/tag/v0.8.11
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-04T03:03:22Z/ Found at https://github.com/open-webui/open-webui/releases/tag/v0.8.11
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-04T03:03:22Z/ Found at https://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-34222
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.04093
EPSS Score 0.00016
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:47:29.910208+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/34xxx/CVE-2026-34222.json 38.6.0