EUVD-2026-81023
GHSA-f8jr-q32f-87q5
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network CSRF needing no attacker auth (PR:N) but victim operator interaction (UI:R); forged destructive actions give I:H/A:H with no readable response (C:N).
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
CMAK through 3.0.0.6 fails to install a cross-site request forgery filter, allowing attackers to perform state-changing actions on behalf of authenticated operators. Attackers can craft hidden forms that submit to destructive endpoints like topic deletion and cluster configuration changes, leveraging the operator's HTTP Basic authentication credentials or play-basic-authentication cookie without SameSite protection.
AnalysisAI
Cross-site request forgery in Yahoo CMAK (Cluster Manager for Apache Kafka) through 3.0.0.6 allows an attacker to make a logged-in operator's browser silently submit forged POST requests that delete topics or change cluster configuration, riding the operator's existing HTTP Basic credentials or play-basic-authentication cookie. The root cause is a confirmed missing CSRF filter combined with an authentication cookie that has no SameSite protection, so no per-request token stands between the forged request and destructive state-changing endpoints. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated CMAK operator (through 3.0.0.6) with an active session to be tricked into loading attacker-controlled web content (UI:P) while their HTTP Basic credentials or play-basic-authentication cookie are valid. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H) describes a classic CSRF: network-reachable, low complexity, no attacker authentication (PR:N) because the attack rides the victim operator's own HTTP Basic credentials or play-basic-authentication cookie, but it requires the operator to be lured into interacting with attacker content (UI:P). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch identified at time of analysis, and no fixed CMAK version appears in the available references; the defect is tracked upstream at https://github.com/yahoo/CMAK/issues/935, so the practical fix is to add CSRF protection at code level (enable Play's CSRF filter with token validation on all state-changing routes) once an upstream release is available, and to monitor the vendor repository for that fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, restrict network reachability of the CMAK web interface (all deployments through version 3.0.0.6) to trusted administrative networks or a jump host, direct operators not to browse untrusted content in the same browser session they use for CMAK, and enable alerting on topic-deletion and cluster-configuration-change events so a forged request is detected immediately. …
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Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)
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External POC / Exploit Code
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