by Kastro
Paper/Archive/CVE-2026-75843

CVE-2026-75843

ArcadeData arcadedb — ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction

EPSS 0.4%public exploitCVSS 9.9
critical.is priorityof 100
46
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 32.4.324 × 206.5Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
arcadedb< 26.8.126.8.1CNA

Scores by source

VulnCheck (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
VulnCheck (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/ArcadeData/arcadedb/security/advisories/GHSA-p29f-345w-4qwfwriteupvulncheck.com/advisories/arcadedb-before-privilege-escalation-via-grpc-transaction