High7.5Apache Software Foundation

High [CVE-2026-40452] Incorrect Authorization, Improper Access Control vulnerability in Apache IoTDB

This high-severity Apache Software Foundation advisory covers CVE-2026-40452 affecting Apache IoTDB.

CVE-2026-40452 Published Jul 10, 2026Updated by vendor Jul 10, 2026

CVE-2026-40452

Affected products & platforms

Apache Software FoundationUnclassified

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Summary

Incorrect Authorization, Improper Access Control vulnerability in Apache IoTDB. Authorization bypass in /rest/v2/fastLastQuery exposes last-value data to unauthorized authenticated users.

This issue affects Apache IoTDB: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10. Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Affected versions

1.3.5 through 1.3.8
2.0.5 through 2.0.10.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

2.0.10
1.3.8

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

NVD discovery recordNVD
Independent discovery and scoring cross-reference. Vendor remediation guidance takes precedence. Discovered from the machine-readable feed https://services.nvd.nist.gov/rest/json/cves/2.0; this link opens the NVD record for CVE-2026-40452 instead of the raw feed document.
NIST National Vulnerability Database

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-40452NVD CVE.org MITRE

Official resources

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