SQL Injection in Apache SkyWalking

CRITICAL 9.8CVE-2020-13921 · GHSA-grpf-gg7v-5g5h · PYSEC-2020-342 · Published 05/08/2020 · updated 17/06/2026

In short

CVE-2020-13921 is a CRITICAL (CVSS 9.8) vulnerability affecting org.apache.skywalking:oap-server, apache-skywalking, skywalking (apache).
Chance of exploitation in the next 30 days (EPSS): 33.5%, higher than 98.4% of all vulnerabilities.
Fix: update to 8.1.0 or later.

Package	Affected versions	Patched versions
org.apache.skywalking:oap-server Maven	`< 8.1.0`	`8.1.0`
apache-skywalking PyPI	`all versions`	No fix yet
skywalking apache	`= 6.5.0= 6.6.0= 7.0.0= 8.0.0= 8.0.1`	No fix yet

Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.

NVD description

**Resolved** Only when using H2/MySQL/TiDB as Apache SkyWalking storage, there is a SQL injection vulnerability in the wildcard query cases.

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