How severe is CVE-2023-54366?

CVE-2023-54366 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-54366 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-54366?

CVE-2023-54366 affects Surrealdb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-54366?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-54366 published?

CVE-2023-54366 was published on 2026-07-18 and last updated on 2026-08-12.

CVE-2023-54366

CVE-2023-54366 is a high-severity vulnerability in Surrealdb with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Surrealdb
Published: 2026-07-18
Last modified: 2026-08-12

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.

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.
How severe is CVE-2023-54366?: CVE-2023-54366 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-54366 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-54366?: CVE-2023-54366 affects Surrealdb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-54366?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-54366 published?: CVE-2023-54366 was published on 2026-07-18 and last updated on 2026-08-12.

References

Affected products (1)

cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*

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