CVE-2026-45532 dataease CVE debrief

Who should care

Defenders responsible for DataEase installations should verify their version and upgrade if necessary. This includes operators, platform administrators, vulnerability management teams, and security teams who need to review compensating controls for exposed systems while remediation is scheduled and verified. They should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Why it matters

CVE-2026-45532 is a path traversal vulnerability in DataEase that can be exploited by attackers to access sensitive data. Defenders should verify their version and upgrade if necessary.

• Verify version of DataEase in use
• Upgrade to version 2.10.23 or later if vulnerable
• Monitor for potential exploitation attempts

Technical summary

The vulnerability exists in DataEase versions prior to 2.10.23 and is caused by the server only filtering the '/' character during string truncation on Windows, where the FILE_SEPARATOR is ''. This path traversal vulnerability can be exploited by attackers to access sensitive data. The vulnerability has been fixed in version 2.10.23. Users should verify their version and upgrade if necessary, reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Defenders should prioritize verifying the version of DataEase in use and upgrading to version 2.10.23 or later if vulnerable.

Defensive priority

Defenders should prioritize verifying the version of DataEase in use and upgrading to version 2.10.23 or later if vulnerable.

Recommended defensive actions

• Verify the version of DataEase in use
• Upgrade to version 2.10.23 or later if vulnerable
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, its impact, and the fixed version. The vulnerability exists in DataEase versions prior to 2.10.23. The root cause is that on Windows, the FILE_SEPARATOR is '', while the server only filters the '/' character during string truncation. Defenders should verify their version and upgrade if necessary, reviewing compensating controls for exposed systems while remediation is scheduled and verified.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.