PatchTheCVECVE-2026-63748: SurrealDB versions before 3.1.0 contain an information disclosure vulnerability where authenticated users with
CVE-2026-63748 is a medium-severity flaw (CVSS 4.3) affecting surrealdb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
SurrealDB versions before 3.1.0 contain an information disclosure vulnerability where authenticated users with UPDATE access can read field values hidden by field-level SELECT permissions through error messages. Attackers can trigger arithmetic or extend operations on hidden fields to embed raw operand values in error responses, bypassing field-level access controls.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 74%) |
| CISA exploited list | No |
| Weakness | CWE-209 |
| 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-2026-63748?
surrealdb: upgrade to 3.1.0. Exact commands for each OS are on this page.
Is CVE-2026-63748 being exploited?
CVE-2026-63748 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-2026-63748 affect?
CVE-2026-63748 affects surrealdb. Severity is medium (CVSS 4.3). SurrealDB versions before 3.1.0 contain an information disclosure vulnerability where authenticated users with UPDATE access can read field values hidden by field-level SELECT permissions through error messages. Attackers can trigger arithm
How urgent is CVE-2026-63748?
Priority 21/100. No elevated risk signals yet.
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