What’s Vulnerable › Vulnerabilities

CVE-2026-109342: SurrealDB 3.0.0 before 3.3.0 Missing Authentication in revoke RPC Method

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-15
• Weakness: CWE-306

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.

Affected products

• surrealdb: from 3.0.0 before 3.3.0 — fixed in 3.3.0

How to fix

Upgrade to a fixed version: surrealdb 3.3.0. Check the vendor advisory for mitigations.

References

• https://github.com/surrealdb/surrealdb/security/advisories/GHSA-2jc3-58q7-mm2j
• https://www.vulncheck.com/advisories/surrealdb-3.0.0-before-3.3.0-missing-authentication-in-revoke-rpc-method

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