CVE-2026-34222 | open-webui Open WebUI up to 0.8.10 improper authorization (GHSA-7429-hxcv-268m)

VDB-354738 · CVE-2026-34222 · GHSA-7429-HXCV-268M OPEN-WEBUI OPEN WEBUI UP TO 0.8.10 IMPROPER AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.9 $0-$5k 1.34+ Summaryinfo A vulnerability was found in open-webui Open WebUI up to 0.8.10. It has been declared as critical. Affected is an unknown function. The manipulation results in improper authorization. This vulnerability was named CVE-2026-34222. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component. Detailsinfo A vulnerability, which was classified as critical, was found in open-webui Open WebUI up to 0.8.10. Affected is some unknown processing. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. CVE summarizes: 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. The advisory is available at github.com. This vulnerability is traded as CVE-2026-34222 since 03/26/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project. Upgrading to version 0.8.11 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Vendor open-webui Name Open WebUI Version 0.8.0 0.8.1 0.8.2 0.8.3 0.8.4 0.8.5 0.8.6 0.8.7 0.8.8 0.8.9 0.8.10 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.0 VulDB Meta Temp Score: 5.9 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.7 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Improper authorization CWE: CWE-285 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Open WebUI 0.8.11 Timelineinfo 03/26/2026 CVE reserved 04/01/2026 +5 days Advisory disclosed 04/01/2026 +0 days VulDB entry created 04/01/2026 +0 days VulDB entry last update Sourcesinfo Advisory: GHSA-7429-hxcv-268m Status: Confirmed CVE: CVE-2026-34222 (🔒) GCVE (CVE): GCVE-0-2026-34222 GCVE (VulDB): GCVE-100-354738 Entryinfo Created: 04/01/2026 20:46 Changes: 04/01/2026 20:46 (65) Complete: 🔍 Cache ID: 99:736:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸