CVE-2026-63758 | SurrealDB versions before 3.1.0 contain an authorization byp… | CVSS 5.4 MEDIUM

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.

Metadata

CVE ID: CVE-2026-63758
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-18 12:30 UTC
Published: 2026-07-20 12:04 UTC
Last updated: 2026-07-20 19:31 UTC
Primary CWE: CWE-862
Missing Authorization
Vendor / Product: surrealdb / surrealdb
Sources: cve.org · NVD

Severity & Metrics

5.4 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
surrealdb	surrealdb	—	0 < 3.1.0, 3.1.0

Weakness (CWE)

CWE	Source	Description
CWE-862	cna	Missing Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
5.4	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
5.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

References (2)

GitHub Security Advisory (GHSA-gcwr-5mrf-fvch) https://github.com/surrealdb/surrealdb/security/advisories/GHSA-gcwr-5mrf-fvch
VulnCheck Advisory: SurrealDB before 3.1.0 Authorization Bypass via KILL Statement https://www.vulncheck.com/advisories/surrealdb-before-authorization-bypass-via-kill-statement