Resource exhaustion in Apache Kylin computed columns
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-770.
Summary
Apache Kylin from 4.0.0 through 5.0.4 allocates resources without limits or throttling (CWE-770) in its cache API for computed columns. An attacker with project admin permission can use this API to exhaust computed-column resources, which is a denial of service.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Description from the CNA
Allocation of resources without limits or throttling vulnerability in Apache Kylin. Given an attacker has got project admin permission, an cache API maybe used to cause computed-column resource exhaustion. 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Upgrade Apache Kylin to version 5.0.5, which fixes the issue.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Timeline
- 2026-10-19 Threatist record created from CVE-2026-108837
- 2026-10-19 Alias added: GHSA-rfxx-8jfp-h6qv
- 2026-11-03 CVSS score added · CISA ADP
- 2026-11-03 CISA SSVC decision points changed
References
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Sources
- CVE-2026-108837 · CVE Program
- CVE-2026-108837 · NVD
- FIRST EPSS
- GHSA-rfxx-8jfp-h6qv · GitHub Advisory Database · CC BY 4.0
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