CVE-2026-63758 — MEDIUM (5.4)

Q: How severe is CVE-2026-63758?

CVE-2026-63758 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-63758?

Check the references section above for vendor advisories and patch information. Affected products include: Surrealdb Surrealdb.

Vulnerability Description

SurrealDB versions before 3.1.0 contain an authorization bypass vulnerability in the KILL statement that allows authenticated database users to terminate other users' LIVE SELECT subscriptions. Attackers can issue KILL statements with target live query UUIDs to disrupt real-time data subscriptions of other users without ownership verification.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Surrealdb	Surrealdb	< 3.1.0

Related Weaknesses (CWE)

CWE-862

References

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-gcwr-5mrf-fvchVendor AdvisoryMitigation
https://www.vulncheck.com/advisories/surrealdb-before-authorization-bypass-via-kThird Party Advisory

FAQ

What is CVE-2026-63758?

CVE-2026-63758 is a vulnerability with a CVSS score of 5.4 (MEDIUM). SurrealDB versions before 3.1.0 contain an authorization bypass vulnerability in the KILL statement that allows authenticated database users to terminate other users' LIVE SELECT subscriptions. Attack...

How severe is CVE-2026-63758?

CVE-2026-63758 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-63758?

Check the references section above for vendor advisories and patch information. Affected products include: Surrealdb Surrealdb.