CVE-2026-40901: DataEase is an open-source data visualization and analytics platform

Q: How do I fix CVE-2026-40901?

dataease: upgrade to 2.10.21. Exact commands for each OS are on this page.

Q: Is CVE-2026-40901 being exploited?

CVE-2026-40901 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-40901 affect?

CVE-2026-40901 affects dataease. Severity is high (CVSS 8.8). 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.

Q: How urgent is CVE-2026-40901?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2026-40901 is a high-severity flaw (CVSS 8.8) affecting dataease. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 wh

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-502
Published	2026-04-16
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: dataease

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-16 21:16 UTCPublished CVE record published
2026-06-17 10:45 UTCUpdated Record last modified

dataease dataease UPGRADE

Affected: < 2.10.21

Fixed in: 2.10.21

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dataease || rpm -q dataease || dataease --version

2. UPGRADE to 2.10.21 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dataease

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dataease

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-40901?

dataease: upgrade to 2.10.21. Exact commands for each OS are on this page.

Is CVE-2026-40901 being exploited?

CVE-2026-40901 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-40901 affect?

CVE-2026-40901 affects dataease. Severity is high (CVSS 8.8). 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.

How urgent is CVE-2026-40901?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2026-8724 MEDIUM 4.7 DOWNGRADE A security flaw has been discovered in Dataease 2.10.20
CVE-2026-40900 HIGH 8.8 UPGRADE DataEase is an open-source data visualization and analytics platform
CVE-2026-40899 MEDIUM 6.5 UPGRADE DataEase is an open-source data visualization and analytics platform
CVE-2026-33207 HIGH 8.8 UPGRADE DataEase is an open-source data visualization and analytics platform
CVE-2026-33122 CRITICAL 9.8 UPGRADE DataEase is an open-source data visualization and analytics platform

References

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