MEDIUMCVSS v3.1 6.5Vulnerability

CVE-2026-121423

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-03T17:20:13.885968+00:00
Cvss score
6.5
Cvss severity
MEDIUM
Retrieved at
2026-11-03T17:21:18+00:00
Score
6.5
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-121423
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-11-03T17:21:18+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published at
2026-11-03T15:17:32.700
Last modified
2026-11-03T15:17:32.830

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-121423 (CVSS v3.1 6.5) — Ninja Signal Threat Intelligence | Ninja Signal