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CVE-2026-63760

SurrealDB before 3.1.0 Denial of Service via JSON Parser

Published: Jul 20, 2026Updated: Jul 22, 2026 Sources: CVE List NVDCWE-674
7.5HIGH
NVD MITRE
EPSS Score
0.4%
Top 71.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

SurrealDB before 3.1.0 fails to enforce the configured recursion depth limit in the value and JSON parser when processing nested braces, brackets, or parentheses. Unauthenticated attackers can send deeply nested JSON payloads to the WebSocket /rpc endpoint to exhaust server memory and crash the process.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-674

Affected Products

surrealdb
surrealdb

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-q729-696q-g9pq
github.com
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-json-parser
vulncheck.com

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