{"id":"CVE-2026-41520","state":"PUBLISHED","title":"Cillium exposes sensitive information included in the cilium-bugtool debug archive","description":"Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.15, 1.18.9, and 1.19.3, the output of cilium-bugtool can contain sensitive data when the tool is run against Cilium deployments with WireGuard encryption enabled. This issue has been patched in versions 1.17.15, 1.18.9, and 1.19.3.","publishedAt":"2026-05-08T22:01:08.394Z","updatedAt":"2026-05-13T19:33:28.377Z","severity":{"score":7.9,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["cilium cilium"],"affected":[{"vendor":"cilium","product":"cilium","versions":[{"version":"< 1.17.15","status":"affected"},{"version":">= 1.18.0, < 1.18.9","status":"affected"},{"version":">= 1.19.0, < 1.19.3","status":"affected"}]}],"references":["https://github.com/cilium/cilium/security/advisories/GHSA-gj49-89wh-h4gj","https://github.com/cilium/cilium/releases/tag/v1.17.15","https://github.com/cilium/cilium/releases/tag/v1.18.9","https://github.com/cilium/cilium/releases/tag/v1.19.3"],"weaknesses":["CWE-200","CWE-312"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41520.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41520","state":"PUBLISHED","datePublished":"2026-05-08T22:01:08.394Z","dateUpdated":"2026-05-13T19:33:28.377Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-20T18:18:50.682Z"},"containers":{"cna":{"title":"Cillium exposes sensitive information included in the cilium-bugtool debug archive","descriptions":[{"lang":"en","value":"Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.17.15, 1.18.9, and 1.19.3, the output of cilium-bugtool can contain sensitive data when the tool is run against Cilium deployments with WireGuard encryption enabled. This issue has been patched in versions 1.17.15, 1.18.9, and 1.19.3."}],"affected":[{"vendor":"cilium","product":"cilium","versions":[{"version":"< 1.17.15","status":"affected"},{"version":">= 1.18.0, < 1.18.9","status":"affected"},{"version":">= 1.19.0, < 1.19.3","status":"affected"}]}],"references":[{"url":"https://github.com/cilium/cilium/security/advisories/GHSA-gj49-89wh-h4gj","name":"https://github.com/cilium/cilium/security/advisories/GHSA-gj49-89wh-h4gj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.17.15","name":"https://github.com/cilium/cilium/releases/tag/v1.17.15","tags":["x_refsource_MISC"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.18.9","name":"https://github.com/cilium/cilium/releases/tag/v1.18.9","tags":["x_refsource_MISC"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.19.3","name":"https://github.com/cilium/cilium/releases/tag/v1.19.3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":7.9,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-312","lang":"en","description":"CWE-312: Cleartext Storage of Sensitive Information","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-08T22:01:08.394Z"},"source":{"advisory":"GHSA-gj49-89wh-h4gj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T19:26:17.922178Z","id":"CVE-2026-41520","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-13T19:33:28.377Z"}}]}}}