CVEPublished 2026-08-18Modified 2026-08-311 article on news4 live referencesNVD data

CVE-2026-75843

Vulnerability data via NVD (ingested)

CVSS v3.1
9.9
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
22
Exploit Prediction Scoring System · top 78% of all CVEs
Description

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.

Timeline
Published 2026-08-18
Modified 2026-08-31

External references

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

More intel sources (5)

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-75843 on GitHub.