CVE-2026-59224
Query injection and header spoofing enable identity takeover in Open WebUI terminals.
Is CVE-2026-59224 being exploited?
Not confirmed. CVE-2026-59224 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-59224?
CVE-2026-59224 is rated High with a CVSS score of 8.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-59224?
Yes. A fix has been recorded for CVE-2026-59224. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-59224 affect?
CVE-2026-59224 affects Open WebUI < 0.10.0, self-hosted Open WebUI terminals, HTTP proxy forwarding X-User-Id. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-59224?
Upgrade to Open WebUI 0.10.0 and validate/encode session IDs; restrict/verify X-User-Id headers.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can craft session_id/query or spoof X-User-Id to impersonate other users and gain unauthorized terminal access.
Patch when possible
- affected< 0.10.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.