CVE-2026-34222

HIGHNVD 7.77.7—

7.7

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.

CVSS v3: 7.7
EG Score: 7.7(medium)
EPSS: 2.9%
KEV: Not listed

Published

April 1, 2026

Last Modified

April 15, 2026

References (3)

security-advisories@githubhttps://github.com/open-webui/open-webui/releases/tag/v0.8.11
security-advisories@githubhttps://github.com/open-webui/open-webui/security/advisories/GHSA-7429-hxcv-268m
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2026/Apr/4

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
open-webui	0.1.124 ... 0.8.9 (149 versions)	0.8.11	—

Data Freshness Timeline

(refreshed 7× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 00:08 UTCEG score recompute
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 19:35 UTCEG score recompute
2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-34222?

CVE-2026-34222 is a high vulnerability published on April 1, 2026. 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.

When was CVE-2026-34222 disclosed?

CVE-2026-34222 was first published in the National Vulnerability Database on April 1, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-34222 actively exploited?

CVE-2026-34222 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-34222?

CVE-2026-34222 has a CVSS v3 base score of 7.7 (NVD).

How do I remediate CVE-2026-34222?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34222, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-34222

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CVE-2026-34222

📅 Published

🔄 Last Modified

🔗 References (3)