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HIGH severity

CVE-2020-1937 — kylin-server-base

HIGHFix: apache/kylin@e373c64

CVE-2020-1937 is a high-severity (CVSS 8.8) SQL Injection vulnerability in org.apache.kylin:kylin-server-base. A fix is available for org.apache.kylin:kylin-server-base — see the affected versions and patch details below.

SQL Injection in Kylin

Also known asGHSA-7hmh-8gwv-mfvq
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
3.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs88th percentile — riskier than 88% of all scored CVEsHighest risk
1.49%3.59%5.69%7.79%6.6%3.1%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected
☕org.apache.kylin:kylin-server-base☕org.apache.kylin:kylin-server-base

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Kylin has some restful apis which will concatenate SQLs with the user input string, a user is likely to be able to run malicious database queries.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.kylin:kylin-server-baseall versions2.6.5org.apache.kylin:kylin-server-base:2.6.5
☕Mavenorg.apache.kylin:kylin-server-base≥ 3.0.0&&< 3.0.13.0.1org.apache.kylin:kylin-server-base:3.0.1

Affected Products

1 product · 8 configurations
Application
kylinapache
≥ 2.6.0 && ≤ 2.6.4
1 version
3.0.0

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.kylin:kylin-server-base, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.apache.kylin:kylin-server-base to 2.6.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-1937 is resolved across your whole dependency graph.

  3. Workarounds

    Until you can upgrade, make sure every query built from user input uses parameterised statements or a prepared-statement API rather than string concatenation, and reduce the database account's privileges so an injected query cannot read or alter data beyond what the feature needs.

Frequently Asked Questions

Kylin has some restful apis which will concatenate SQLs with the user input string, a user is likely to be able to run malicious database queries.
O3 Security · Impact-Aware SCA

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CVE-2020-1937: kylin-server-base — Fixed in 2.6.5