CVE-2023-54366: Permission Flaw (CVSS 8.8)

Description

SurrealDB before 1.0.1 sets default table permissions to FULL instead of NONE, allowing SELECT, CREATE, UPDATE, and DELETE operations on tables without explicit permissions. Attackers with database access or unauthenticated users on publicly exposed instances can perform unrestricted operations on unprotected tables within their authorization scope.

Is your site exposed to CVE-2023-54366?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0028

Probability of exploitation

0.20%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

References

Other References

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-x5fr-7hhj-34j3 https://www.vulncheck.com/advisories/surrealdb-before-insecure-default-table-permissions

Frequently Asked Questions

What is CVE-2023-54366? +

SurrealDB before 1.0.1 sets default table permissions to FULL instead of NONE, allowing SELECT, CREATE, UPDATE, and DELETE operations on tables without explicit permissions. Attackers with database access or unauthenticated users on publicly exposed instances can perform unrestricted operations on unprotected tables within their authorization scope. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-54366? +

CVE-2023-54366 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0028, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2023-54366? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-20718

Incorrect default permissions for some Intel(R) NPU Driver software installers before version 32.0.100.4511 within Ring 3: User Applications may allow …

CVE-2026-0539

Incorrect Default Permissions in pcvisit service binary on Windows allows a low-privileged local attacker to escalate their privileges by overwriting …

CVE-2025-2782

The WatchGuard Terminal Services Agent on Windows does not properly configure directory permissions when installed in a non-default directory. This …

CVE-2025-2781

The WatchGuard Mobile VPN with SSL Client on Windows does not properly configure directory permissions when installed in a non-default …

CVE-2025-4280

MacOS version of Poedit bundles a Python interpreter that inherits the Transparency, Consent, and Control (TCC) permissions granted by the …

CVE-2025-4412

On macOS systems, by utilizing a Launch Agent and loading the viscosity_openvpn process from the application bundle, it is possible …

CVE-2023-54366