CVE-2026-109341 SurrealDB before 3.3.0 Field Permission Bypass via PATCH copy/move/test Operations
Attackers with table write access can bypass field-level restrictions to read hidden data via JSON Patch operations in SurrealDB.
- 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-2026-109341?
CVE-2026-109341 is a high-severity missing authorization vulnerability in surrealdb, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
SurrealDB before 3.3.0 contains an authorization bypass vulnerability that allows callers with table-level write permission to read SELECT-restricted fields by resolving JSON Patch pointers against the unreduced record. Attackers can use PATCH copy or move operations to copy hidden fields into readable destinations, or abuse test mismatch errors as a disclosure oracle.
Weakness: CWE-200
Which versions are affected by CVE-2026-109341?
How do I fix CVE-2026-109341?
No fix has been published for CVE-2026-109341 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-2026-109341 being exploited?
There is no known exploitation of CVE-2026-109341 in the wild and no public exploit code.
Sources
Also known as GHSA-xwrw-vq8w-mgj7.