Cross-database read and write via unchecked handlers
Published Aug 1, 2026 · Updated Aug 1, 2026
Authorization bypass in ArcadeDB before 26.7.2 allows remote authenticated users to read and write unauthorized databases via HTTP. Fourteen time-series, batch, Prometheus, and Grafana handlers extend AbstractServerHttpHandler, resolve a user-controlled database path, and call getDatabase without canAccessToDatabase. Access to any database is sufficient to target another database on the same server; affected requests expose data or modify records.
Summary
What happened
Authorization bypass in ArcadeDB before 26.7.2 allows remote authenticated users to read and write unauthorized databases via HTTP. Fourteen time-series, batch, Prometheus, and Grafana handlers extend AbstractServerHttpHandler, resolve a user-controlled database path, and call getDatabase without canAccessToDatabase. Access to any database is sufficient to target another database on the same server; affected requests expose data or modify records.
The record
- CVE
- CVE-2026-67342
- Published
- Aug 1, 2026
- Updated
- Aug 1, 2026
- Vendor
- Arcade Data
- Product
- ArcadeDB
- Classifications
- CWE-639, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 1, 2026CVE publishedPublication date reported by the CVE source.
- Aug 1, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <26.7.2
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- GHSA-x8mg-6r4p-87pf cross-database request sequencefunctional · demonstrated
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Technologies
Your stack
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Your stack
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