CVE-2026-92778CMAK through 3.0.0.6 Feature Gate Bypass via HTML Form Routes
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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 scheduler, disrupting leadership across managed Kafka clusters.
- CVSS
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Weakness (CWE)
- CWE-693
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
yahoo CMAK yahoo:cmak (from the name) | through 3.0.0.6 | CNA record |
References
- https://github.com/yahoo/CMAK/issues/936issue-tracking
- https://github.com/yahoo/CMAKproduct
- https://github.com/yahoo/CMAK/blob/3.0.0.6/app/controllers/PreferredReplicaElection.scala#L110-L143technical-description
- https://www.vulncheck.com/advisories/cmak-through-3.0.0.6-feature-gate-bypass-via-html-form-routesthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.