CVE-2026-90488

2.1 lowEPSS 0.4%

A vulnerability was determined in Xuxueli xxl-job up to 3.4.2. This affects the function GroovyClassLoader.parseClass of the file xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java. This manipulation causes code injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

CVSS 4.0

2.1 low

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWEs: CWE-74, CWE-94
Published: 2026-09-13
Modified: 2026-09-15
Record from: the NVD, synced 2026-10-19

References

https://github.com/zhaizejiang/xxl-job-vuln-poc/blob/main/xxl-job%20v3.4.2%20Remote%20Code%20Execution%20via%20Groovy%20Code%20Execution.md
https://vuldb.com/cve/CVE-2026-90488
https://vuldb.com/submit/888470
https://vuldb.com/vuln/403076
https://vuldb.com/vuln/403076/cti

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