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TI-2026-44468 Aliases CVE-2026-62247

Supabase Realtime: Incorrect Authorization

Priority LOW 29CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

Supabase Realtime provides Broadcast, Presence, and Postgres Changes via WebSockets. Prior to 2.111.2, Realtime authorization does not correctly honor the per-extension presence.read row-level security policy when a private-channel client is allowed presence.write but explicitly denied presence.read. Under that differential policy, the client can receive presence_diff messages containing other members' presence metadata, including application-defined location, online-status, roster, viewing, or typing information. Deployments with uniform presence visibility have no differential, and postgres_changes row data is unaffected. This issue is fixed in version 2.111.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00451 39th percentileScored 2026-11-07
Fix Fixed realtime (supabase): 2.111.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
supabaserealtimebefore 2.111.22.111.2Patch availableCNA
  • realtime Vendorsupabase Affected before 2.111.2 Fixed in 2.111.2 Patch available CNA

Remediation

  • Fix · CNA realtime (supabase) Fixed in 2.111.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-62247

References

Other 4

  • TI-2024-16040 Supabase PostgreSQL v15.1 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1CRITICAL 9.8
  • TI-2026-24366 Supabase Auth has insecure Apple and Azure authentication with ID tokens CVSS 3.1MEDIUM 4.8
  • TI-2025-30696 auth-js Vulnerable to Insecure Path Routing from Malformed User Input CVSS 4.0LOW 2.7
  • TI-2026-79331 Expired JWTs accepted by Supabase Realtime REST broadcast endpoints CVSS 3.1LOW 3.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences