Medium severity · published Jul 18, 2026
CVE-2025-71393
SurrealDB before 2.2.2 Memory Exhaustion via Nested Functions
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
SurrealDB before 2.2.2 with scripting enabled fails to properly enforce recursion limits when native functions contain embedded JavaScript that issues new queries. Authenticated attackers can bypass the recursion limit by chaining native and JavaScript function calls to trigger infinite recursion and exhaust server memory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
surrealdb · surrealdb
before 2.2.2; before 2.1.5; before 2.0.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-71393
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-71393
vendor-advisory
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-m7rc-8w7m-r9qr
third-party-advisory
https://www.vulncheck.com/advisories/surrealdb-before-memory-exhaustion-via-nested-functions
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