CVE-2026-63748

Q: How do I fix CVE-2026-63748?

Upgrade surrealdb to 3.1.0 or later.

Q: Is CVE-2026-63748 being actively exploited?

Not that we know of. CVE-2026-63748 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.33% is the estimated probability that it will be exploited in the next 30 days. That is higher than 25% of all scored CVEs.

Q: How severe is CVE-2026-63748?

CVE-2026-63748 has a CVSS v3 base score of 4.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-63748 affect?

Published advisories record a fix for surrealdb (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

4.3

CVSS v3

NVD

Description

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.

CWE-209

How to fix

Remediation Available

surrealdbNVD

Affected:< 3.1.0Fixed in:3.1.0CVE-2026-63748derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Vendor Advisory1

github.com

Third-Party Advisory1

vulncheck.com

Related Vulnerabilities

Other CWE-209 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-29059	High	7.5	99%	KEV	-
CVE-2021-22145	Medium	6.5	76%	-	-
CVE-2010-3332	Medium	6.4	67%	-	-
CVE-2025-62168	Critical	10.0	63%	-	Fix
CVE-2025-47813	Medium	4.3	59%	KEV	Fix
CVE-2013-7331	Medium	6.5	58%	KEV	-

Common questions

How do I fix CVE-2026-63748?

Upgrade surrealdb to 3.1.0 or later.

Is CVE-2026-63748 being actively exploited?

Not that we know of. CVE-2026-63748 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.33% is the estimated probability that it will be exploited in the next 30 days. That is higher than 25% of all scored CVEs.

How severe is CVE-2026-63748?

CVE-2026-63748 has a CVSS v3 base score of 4.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-63748 affect?

Published advisories record a fix for surrealdb (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-22.