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CVE-2026-109334

8.1, high

surrealdb Authorization Bypass Through User-Controlled Key Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
8.1, high high CVSS v3.1
EPSS, next 30 days
0.3% higher than 16.2% of scored CVEs
Exploitation
No public evidence
Published
12 Oct 20266 days ago

Description

SurrealDB before 3.3.0 does not check the caller-selected namespace or database against the level at which a namespace- or database-level system user authenticated, allowing cross-tenant access. An authenticated attacker can set the Surreal-NS/Surreal-DB headers on /sql or call the RPC use method to read, create, modify, and delete rows and read DEFINE PARAM values in another tenant where table PERMISSIONS allow it.

Details

Vendor
Surrealdb
Product
surrealdb
Weakness
CWE-639 (opens in a new tab)
Status
Deferred
Updated
12 Oct 2026
Assigner
disclosure@vulncheck.com

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

References 2

Advisories 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Surrealdb CVEs

Every Surrealdb CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-109341 surrealdb Exposure of Sensitive Information Vulnerability EPSS 0.3% 7.1, high
  • CVE-2026-109343 surrealdb Authorization Bypass Through User-Controlled Key Vulnerability EPSS 0.3% 8.1, high

Beyond this page

Is CVE-2026-109334 in your network?

This page tells you how dangerous CVE-2026-109334 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 18 Oct 2026, not the live upstream state.