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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Katanemo Plano unaffected
Version Status Constraints
0 affected ≤ 0.4.37

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/katanemo/plano cve-icon cve-icon
https://github.com/katanemo/plano/blob/0.4.37/cli/planoai/config_generator.py#L588-L656 cve-icon cve-icon
https://github.com/katanemo/plano/blob/0.4.37/config/envoy.template.yaml#L1-L3 cve-icon cve-icon
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/katanemo-plano-envoy-admin-config-secret-disclosure cve-icon cve-icon
https://www.vulncheck.com/advisories/katanemo-plano-through-0.4.37-missing-authentication-on-envoy-admin-interface cve-icon cve-icon
History

Sun, 11 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Katanemo Plano through 0.4.37 Missing Authentication on Envoy Admin Interface
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-11T13:26:09.409Z

Reserved: 2026-10-11T13:12:08.332Z

Link: CVE-2026-108863

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-11T14:17:06.360

Modified: 2026-10-11T14:17:06.360

Link: CVE-2026-108863

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T16:00:08Z

Weaknesses