CVE-2026-108863
Katanemo Plano through 0.4.37 Missing Authentication on Envoy Admin Interface
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-306 |
| Vendor | katanemo |
| Product | plano |
| Published | Oct 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Katanemo / Plano
0 ≤ 0.4.37
References
hackmd.io: https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/katanemo-plano-envoy-admin-config-secret-disclosure github.com: https://github.com/katanemo/plano/blob/0.4.37/config/envoy.template.yaml#L1-L3 github.com: https://github.com/katanemo/plano/blob/0.4.37/cli/planoai/config_generator.py#L588-L656 github.com: https://github.com/katanemo/plano vulncheck.com: https://www.vulncheck.com/advisories/katanemo-plano-through-0.4.37-missing-authentication-on-envoy-admin-interface
Credits
hieuPenguinnn