Medium severity · published Jul 20, 2026
CVE-2026-63742
SurrealDB before 3.1.0 Field Permission Bypass via Indexed COUNT
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
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-2026-63742
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63742
Vendor Advisory
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-c8jx-96c9-8xrp
Third Party Advisory
https://www.vulncheck.com/advisories/surrealdb-before-field-permission-bypass-via-indexed-count
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