{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41186","assignerOrgId":"e6d453f4-3dae-4941-bcea-9af25f4e824d","state":"PUBLISHED","assignerShortName":"Tigera","dateReserved":"2026-04-17T17:41:35.905Z","datePublished":"2026-07-30T14:45:04.418Z","dateUpdated":"2026-07-30T16:10:53.298Z"},"containers":{"cna":{"providerMetadata":{"orgId":"e6d453f4-3dae-4941-bcea-9af25f4e824d","shortName":"Tigera","dateUpdated":"2026-07-30T14:45:04.418Z"},"title":"Unauthenticated Go pprof exposure in Calico debug server","datePublic":"2026-07-30T16:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-489","description":"CWE-489 Active Debug Code","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"affected":[{"vendor":"Tigera","product":"Calico","versions":[{"status":"affected","version":"0","lessThan":"3.31.6","versionType":"semver"},{"status":"affected","version":"3.32.0","lessThan":"3.32.1","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Tigera","product":"Calico Enterprise","versions":[{"status":"affected","version":"0","lessThan":"3.21.7","versionType":"semver"},{"status":"affected","version":"3.22.0","lessThan":"3.22.4","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Tigera","product":"Calico Cloud","versions":[{"status":"affected","version":"0","lessThan":"22.4.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p>"}]}],"references":[{"url":"https://github.com/projectcalico/calico/pull/12491","tags":["patch"]},{"url":"https://github.com/projectcalico/calico/pull/12634","tags":["patch"]},{"url":"https://github.com/projectcalico/calico/pull/12633","tags":["patch"]},{"url":"https://www.tigera.io/security-bulletins/tta-2026-004/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6,"vectorString":"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"}}],"credits":[{"lang":"en","value":"Behnam Shobiri","type":"finder"},{"lang":"en","value":"Behnam Shobiri","type":"remediation developer"},{"lang":"en","value":"Anthony Tam","type":"remediation reviewer"},{"lang":"en","value":"Matt Dupre","type":"remediation reviewer"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T16:10:46.313327Z","id":"CVE-2026-41186","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-30T16:10:53.298Z"}}]}}