Vulnerability details
CVE-2026-108771
Apache Software Foundation Apache Kylin
Apache Kylin: unauthenticated broadcast API and polymorphic deserialization
CVSS 3.1
9.8Critical
Official description
Missing authentication for in-house broadcast and polymorphic deserialization vulnerability in Apache Kylin. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted. This issue affects Apache Kylin: from 4.0.0 through 5.0.4. Users are recommended to upgrade to version 5.0.5, which fixes the issue.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apache Software Foundation | Apache Kylin | 4.0.0 ≤ v ≤ 5.0.4 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-10-19
- Last updated
- 2026-10-30
- State
- Published
- Assigner (CNA)
- apache
- Kolun priority
- 25 · Low
Exploit prediction (EPSS)
0.47%
Probability of exploitation in 30 days
40.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-306Missing authentication for critical function