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Critical 9.9Published Aug 18, 2026

CVE-2026-75843ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction

Updated under an hour ago ()

Does this affect you?

It affects ArcadeData arcadedb. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

ArcadeDB before 26.8.1 fails to bind the authenticated principal on the gRPC transaction executor thread in beginTransaction, allowing authenticated readers to execute JavaScript commands without scripting authorization checks. Attackers can execute executeCommand with a transaction ID to run unrestricted JavaScript that creates server-wide administrator accounts.

CVSS
9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-269
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Aug 18, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ArcadeData arcadedb
arcadedata:arcadedb (from the name)
before 26.8.1; 26.8.1 not affected
CNA record

References

  • vendor-advisory
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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