Description
When Calico's shared debug server is enabled (disabled by default), the Calico kube-controllers and Goldmane components bind their Go pprof debug listener to 0.0.0.0 without authentication. Any pod with network reachability to the listener can retrieve the process heap, goroutine stacks (including function arguments), and command-line arguments. Depending on the process's in-memory state, the heap may contain sensitive material. The debug listener is opt-in but is unsafe when enabled because it offers no authentication and no safe localhost-only binding option.
Published: 2026-07-30
Score: 6 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Thu, 30 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Tigera
Tigera calico
Tigera calico Cloud
Tigera calico Enterprise
Vendors & Products Tigera
Tigera calico
Tigera calico Cloud
Tigera calico Enterprise

Thu, 30 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 30 Jul 2026 15:00:00 +0000

Type Values Removed Values Added
Description When Calico's shared debug server is enabled (disabled by default), the Calico kube-controllers and Goldmane components bind their Go pprof debug listener to 0.0.0.0 without authentication. Any pod with network reachability to the listener can retrieve the process heap, goroutine stacks (including function arguments), and command-line arguments. Depending on the process's in-memory state, the heap may contain sensitive material. The debug listener is opt-in but is unsafe when enabled because it offers no authentication and no safe localhost-only binding option.
Title Unauthenticated Go pprof exposure in Calico debug server
Weaknesses CWE-200
CWE-489
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:L'}


Subscriptions

Tigera Calico Calico Cloud Calico Enterprise
cve-icon MITRE

Status: PUBLISHED

Assigner: Tigera

Published:

Updated: 2026-07-30T16:10:53.298Z

Reserved: 2026-04-17T17:41:35.905Z

Link: CVE-2026-41186

cve-icon Vulnrichment

Updated: 2026-07-30T16:10:49.548Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-30T17:15:12Z

Weaknesses