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TI-2026-70753 Aliases CVE-2026-108863GHSA-54m9-qc5w-93rc

Missing authentication exposes Envoy admin interface in Katanemo Plano

Priority HIGH 77CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Katanemo Plano through 0.4.37 lacks authentication on its Envoy admin interface, which is bound to all host interfaces on port 9901. An unauthenticated network attacker can reach the admin interface and request the /config_dump endpoint to read configured LLM provider API keys in plaintext from the WASM filter configuration (CWE-306).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Katanemo Plano through 0.4.37 contains a missing authentication vulnerability that allows unauthenticated network attackers to access the Envoy admin interface, which is bound to all host interfaces on port 9901. Attackers can request the /config_dump endpoint to read configured LLM provider API keys in plaintext from the WASM filter configuration.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00582 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
KatanemoPlanoup to 0.4.37—No fix listedCNA
  • Plano VendorKatanemo Affected up to 0.4.37 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Katanemo Plano.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-108863
  2. 2026-10-11 Alias added: GHSA-54m9-qc5w-93rc
  3. 2026-10-12 Priority changed: MEDIUM → LOW
  4. 2026-10-13 CISA SSVC decision points changed
  5. 2026-10-13 Priority changed: LOW → HIGH

References

Advisory 1

Other 3

Sources

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