What’s Vulnerable › Vulnerabilities

CVE-2026-59219: Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logout

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-07-09 · updated 2026-07-10
• Weakness: CWE-613

Description

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 before 0.10.0 with Redis configured, Socket.IO connect, user-join, join-channels, join-note, and the terminal websocket first-message authentication used decode_token without the Redis-backed is_valid_token revocation check, allowing revoked JWTs to continue authenticating realtime connections. This issue is fixed in version 0.10.0.

Affected products

• open-webui: from 0.9.0 before 0.10.0 — fixed in 0.10.0

How to fix

Upgrade to a fixed version: open-webui 0.10.0. Check the vendor advisory for mitigations.

References

• https://github.com/open-webui/open-webui/commit/33b91bd8ae8a100a5a306c91441a7d0b422c4cde
• https://github.com/open-webui/open-webui/releases/tag/v0.10.0
• https://github.com/open-webui/open-webui/security/advisories/GHSA-855v-hq7w-jmjw
• https://github.com/open-webui/open-webui/security/advisories/GHSA-855v-hq7w-jmjw

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