{"id":"CVE-2026-92778","title":"CMAK through 3.0.0.6 fails to apply the scheduled leader election feature toggle to HTML form routes, allowing attackers to bypass the feature gate","summary":"CMAK through 3.0.0.6 fails to apply the scheduled leader election feature toggle to HTML form routes, allowing attackers to bypass the feature gate. Attackers can access the form endpoints to start and stop the recurring election schedul…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cwe":["CWE-693"],"vendor":"yahoo","product":"CMAK","affected":["CMAK <= 3.0.0.6"],"published":"2026-09-16","updated":"2026-09-17","sourceUpdated":"2026-09-17T14:17:55.730","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92778","references":[{"url":"https://github.com/yahoo/CMAK","label":"disclosure@vulncheck.com"},{"url":"https://github.com/yahoo/CMAK/blob/3.0.0.6/app/controllers/PreferredReplicaElection.scala#L110-L143","label":"disclosure@vulncheck.com"},{"url":"https://github.com/yahoo/CMAK/issues/936","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/cmak-through-3.0.0.6-feature-gate-bypass-via-html-form-routes","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-17T13:49:41.863587Z"},"ingestedAt":"2026-09-16T21:05:36.891Z","epss":0.00323,"epssPercentile":0.25492,"slug":"CVE-2026-92778","body":"## Overview\n\nCMAK through 3.0.0.6 fails to apply the scheduled leader election feature toggle to HTML form routes, allowing attackers to bypass the feature gate. Attackers can access the form endpoints to start and stop the recurring election scheduler, disrupting leadership across managed Kafka clusters.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}