CVE
CVE-2026-75843
ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction
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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.4
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-
Related Resources
No items found.
References
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-p29f-345w-4qwf, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75843.json, https://nvd.nist.gov/vuln/detail/CVE-2026-75843, https://www.vulncheck.com/advisories/arcadedb-before-privilege-escalation-via-grpc-transaction