Read the docs
TI-2026-41405 Aliases CVE-2026-57510GHSA-hg7x-q6w3-jcf5

SuperPlane < 0.27.0 Broken Object Level Authorization via CanvasService gRPC

Priority MEDIUM 41CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

SuperPlane before 0.27.0 contains a broken object-level authorization vulnerability in the CanvasService gRPC handlers that allows authenticated users with viewer-level access to one organization to access resources belonging to other organizations by supplying arbitrary canvas or queue UUIDs without organization scoping. Attackers can read cross-tenant execution history and event payloads containing sensitive secrets, write queue items and canvas events into victim organizations, delete arbitrary canvases, and disrupt automation workflows across tenant boundaries.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00624 50th percentileScored 2026-11-07
Fix Fixed superplane (superplanehq): 0.27.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
superplanehqsuperplanebefore 0.27.00.27.0Patch availableCNA
  • superplane Vendorsuperplanehq Affected before 0.27.0 Fixed in 0.27.0 Patch available CNA

Remediation

  • Fix · CNA superplane (superplanehq) Fixed in 0.27.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-57510
  2. 2026-10-03 Alias added: GHSA-hg7x-q6w3-jcf5
  3. 2026-11-03 EPSS moved to the 50th–90th percentile

References

Patch 2

Other 1

  • TI-2026-41406 SuperPlane < 0.30.0 SMTP Header Injection via Webhook Event Title CVSS 4.0MEDIUM 6.3

Sources

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