CVE-2026-63742 SurrealDB before 3.1.0 Field Permission Bypass via Indexed COUNT
Attackers can bypass field-level SELECT permissions in SurrealDB to recover restricted field values via indexed COUNT queries.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63742?
CVE-2026-63742 is a medium-severity missing authorization vulnerability in Surrealdb Surrealdb, published on 20 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
SurrealDB versions before 3.1.0 contain a field-level SELECT permission bypass vulnerability in indexed COUNT fast paths. Attackers can execute COUNT queries on indexed fields with field-level SELECT restrictions to confirm or recover restricted field values through repeated guesses.
Weakness: CWE-863
Which versions are affected by CVE-2026-63742?
It affects 1 product.
Products include Surrealdb Surrealdb.
How do I fix CVE-2026-63742?
No fix has been published for CVE-2026-63742 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-63742 being exploited?
There is no known exploitation of CVE-2026-63742 in the wild and no public exploit code.
Other vulnerabilities in Surrealdb Surrealdb
- CVE-2025-71392 SurrealDB before 2.2.2 SurrealQL Injection via export
- CVE-2026-63756 SurrealDB before 3.1.0 Privilege Escalation via RPC Session Race Condition
- CVE-2026-63747 SurrealDB before 3.1.0 Denial of Service via malformed RPC use
- CVE-2026-63757 SurrealDB before 3.1.0 Session Hijacking via /rpc sessions
- CVE-2026-63760 SurrealDB before 3.1.0 Denial of Service via JSON Parser
Sources
Also known as GHSA-5c44-88qh-4c5h.