CVE-2026-55571
Auth bypass via WebSocket in djust <1.0.4 allows unauthenticated event handling.
Is CVE-2026-55571 being exploited?
Not confirmed. CVE-2026-55571 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 0.28% probability of exploitation in the next 30 days.
How severe is CVE-2026-55571?
CVE-2026-55571 is rated High with a CVSS score of 8.2. 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-2026-55571?
Yes. A fix has been recorded for CVE-2026-55571. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-55571 affect?
CVE-2026-55571 affects djust <1.0.4, Django apps using djust LiveViewConsumer, WebSocket clients. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-55571?
Upgrade djust to >=1.0.4; audit and enforce server-side auth on WebSocket events.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated WebSocket clients can invoke @event_handler methods to read or modify data, bypassing auth and permissions.
Immediate action required
- affected< 1.0.4
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.