Medium severity · published Jul 20, 2026
CVE-2026-63751
SurrealDB before 3.1.0 Field Permission Bypass via JSON Patch
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
SurrealDB versions before 3.1.0 contain a field-level permission bypass vulnerability in JSON Patch operations that allows authenticated users to read protected fields. Attackers can use UPDATE PATCH with an empty from pointer in copy or move operations to duplicate all record fields, including those restricted by field-level SELECT permissions, into attacker-chosen destination fields.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
surrealdb · surrealdb
before 3.1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-63751
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63751
vendor-advisory
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-fpxg-5xmv-922m
third-party-advisory
https://www.vulncheck.com/advisories/surrealdb-before-field-permission-bypass-via-json-patch
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