PatchTheCVECVE-2026-63760: SurrealDB before 3.1.0 fails to enforce the configured recursion depth limit in the value and JSON parser when
CVE-2026-63760 is a high-severity flaw (CVSS 7.5) affecting surrealdb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 56%) |
| CISA exploited list | No |
| Weakness | CWE-674 |
| Published | 2026-07-20 |
| Last modified | 2026-07-22 |
Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-63760?
surrealdb: upgrade to 3.1.0. Exact commands for each OS are on this page.
Is CVE-2026-63760 being exploited?
CVE-2026-63760 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-63760 affect?
CVE-2026-63760 affects surrealdb. Severity is high (CVSS 7.5). 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 WebSock
How urgent is CVE-2026-63760?
Priority 42/100. High severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2026-63734 MEDIUM 4.9 UPGRADE SurrealDB versions before 3.2.0 contain a denial of service vulnerability in the SurrealML header parser that
- CVE-2026-63761 MEDIUM 4.3 UPGRADE SurrealDB before 3.1.0 silently substitutes the ES384 algorithm when a JWT access method is configured with AL
- CVE-2026-63746 MEDIUM 6.5 UPGRADE SurrealDB versions before 3.1.0 fail to enforce table SELECT permissions when traversing graph edges or back-r
- CVE-2026-63745 MEDIUM 5.4 UPGRADE SurrealDB versions before 3.1.0 contain an authorization bypass vulnerability where authenticated users can sp
- CVE-2025-71390 HIGH 8.8 UPGRADE SurrealDB before 2.2.6, 2.3.6, and 2.1.8 (and 3.0.0-alpha.7 and earlier) fails to validate DNS-resolved hostna