CVE-2026-63763: surrealdb — Fix

Description

SurrealDB before 2.5.0 and before 3.0.0-beta.3 contains a confused deputy privilege escalation vulnerability. Unprivileged users (e.g., those with the database editor role) can create or modify fields containing futures, functions, or closures. Because these are executed in the context of the invoking/querying user rather than their creator, an attacker can plant malicious logic that executes with a higher-privileged user's permissions when that user reads or writes the affected record. This can lead to full privilege escalation, including creation of a root owner and server takeover.

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CVSS v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0027

Probability of exploitation

0.19%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
surrealdb	surrealdb	< 2.5.0
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All
surrealdb	surrealdb	All

References

Advisories & Patches

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-3v2x-9xcv-2v2v

Other References

https://www.vulncheck.com/advisories/surrealdb-before-privilege-escalation-via-future-fields

Frequently Asked Questions

What is CVE-2026-63763? +

SurrealDB before 2.5.0 and before 3.0.0-beta.3 contains a confused deputy privilege escalation vulnerability. Unprivileged users (e.g., those with the database editor role) can create or modify fields containing futures, functions, or closures. Because these are executed in the context of the invoking/querying user rather than their creator, an attacker can plant malicious logic that executes with a higher-privileged user's permissions when that user reads or writes the affected record. This can lead to full privilege escalation, including creation of a root owner and server takeover. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-63763? +

CVE-2026-63763 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0027, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-63763? +

CVE-2026-63763 affects products from surrealdb, specifically: surrealdb. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-63763? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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