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CVE-2026-48086

9.9
Critical
EPSS 0.33%Patch availableAug 7, 2026

Tenant admin can self‑promote to GLOBAL_ADMIN via role-update API.

common questions

Is CVE-2026-48086 being exploited?

Not confirmed. CVE-2026-48086 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 0.33% probability of exploitation in the next 30 days.

How severe is CVE-2026-48086?

CVE-2026-48086 is rated Critical with a CVSS score of 9.9. 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-2026-48086?

Yes. A fix has been recorded for CVE-2026-48086. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-48086 affect?

CVE-2026-48086 affects OpenReception < 1.0.2, Hosted OpenReception service (multi-tenant), Self-hosted OpenReception pre-1.0.2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-48086?

Upgrade to OpenReception >=1.0.2, revoke admin sessions/JWTs, rotate keys, and audit admin activity.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
OpenReception < 1.0.2Hosted OpenReception service (multi-tenant)Self-hosted OpenReception pre-1.0.2
impact

Tenant admin can escalate to GLOBAL_ADMIN via API and gain platform-wide control over all tenants' configs, users, staff records, and tenant lifecycle.

action required

Immediate action required

affected versions
open-reception appointment-booking-software
  • affected< 1.0.2

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.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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