CVE-2026-109342

Medium

Description

SurrealDB from 3.0.0 before 3.3.0 contains a missing authentication vulnerability in the revoke RPC method that allows low-privileged or unauthenticated callers to invalidate other users' refresh tokens without proof of possession. Attackers can obtain grant identifiers via ACCESS SHOW ALL with VIEWER permission or leaked tokens, then permanently revoke refresh tokens to force re-authentication.

SeverityMedium

CVSS5.4

Exploit probability—

ProductSurrealdb

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Update

surrealdb surrealdb3.3.0 or later

Vendor advisories

github.com/surrealdb/surrealdb/security/advisories/GHSA-2jc3-58q7-mm2j

Affected products

Product	Affected versions	Fixed in
surrealdb surrealdb	3.0.0 ≤ v < 3.3.0	3.3.0

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