Description
SurrealDB before 3.3.0 contains an unbounded recursion vulnerability that allows authenticated users to abort the surreald process by triggering stack overflow on deeply nested values. Attackers can repeatedly run UPDATE statements wrapping a stored array in itself, then SELECT or EXPORT it, causing persistent denial of service for all tenants.
Published: 2026-11-03
Score: 7.1 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 03 Nov 2026 14:45:00 +0000

Type Values Removed Values Added
Description SurrealDB before 3.3.0 contains an unbounded recursion vulnerability that allows authenticated users to abort the surreald process by triggering stack overflow on deeply nested values. Attackers can repeatedly run UPDATE statements wrapping a stored array in itself, then SELECT or EXPORT it, causing persistent denial of service for all tenants.
Title SurrealDB before 3.3.0 DoS via Unbounded Recursion in val::Value Serialization
First Time appeared Surrealdb
Surrealdb surrealdb
Weaknesses CWE-674
CPEs cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*
Vendors & Products Surrealdb
Surrealdb surrealdb
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Surrealdb Surrealdb
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-03T14:28:19.376Z

Reserved: 2026-11-03T12:29:41.359Z

Link: CVE-2026-121423

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-03T15:17:32.700

Modified: 2026-11-03T15:17:32.830

Link: CVE-2026-121423

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses