CVE-2026-57206
Unauthenticated access to SimpleChat plugin validation, health, and repair endpoints.
Is CVE-2026-57206 being exploited?
Not confirmed. CVE-2026-57206 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 0.96% probability of exploitation in the next 30 days.
How severe is CVE-2026-57206?
CVE-2026-57206 is rated High with a CVSS score of 8.6. 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-2026-57206?
Yes. A fix has been recorded for CVE-2026-57206. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-57206 affect?
CVE-2026-57206 affects SimpleChat < 0.241.206, application/single_app/plugin_validation_endpoint.py, POST /api/admin/plugins/test-instantiation, GET /api/admin/plugins/health-check/<plugin_name>, and 2 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-57206?
Upgrade SimpleChat to 0.241.206 and enforce authentication/authorization on admin/plugin endpoints.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can invoke plugin validation/health/repair endpoints, enabling unauthorized plugin instantiation, modification, or information exposure.
Patch when possible
- affected< 0.241.206
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.