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CVE-2026-63758— SurrealDB before 3.1.0 Authorization Bypass via KILL Statement

Quick assessment

Affected
surrealdb surrealdb
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

surrealdb是SurrealDB公司开源的一个文档图数据库。 SurrealDB 3.1.0之前版本存在授权问题漏洞，该漏洞源于KILL语句中存在授权绕过问题，可能导致经过身份验证的数据库用户终止其他用户的LIVE SELECT订阅。

CVSS 5.4 · Medium EPSS 0.31% · P21

Affected Version Matrix 2

VendorProduct Version RangeStatus
surrealdb surrealdb < 3.1.0 affected
3.1.0 unaffected
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I. Basic Information for CVE-2026-63758

Vulnerability Information
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Vulnerability Title
SurrealDB before 3.1.0 Authorization Bypass via KILL Statement
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
SurrealDB 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
surrealdb是SurrealDB公司开源的一个文档图数据库。 SurrealDB 3.1.0之前版本存在授权问题漏洞，该漏洞源于KILL语句中存在授权绕过问题，可能导致经过身份验证的数据库用户终止其他用户的LIVE SELECT订阅。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
surrealdb surrealdb 0 ~ 3.1.0 -

II. Public POCs for CVE-2026-63758

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III. Intelligence Information for CVE-2026-63758

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Vendor Advisories for CVE-2026-63758 (2)

Same Patch Batch · surrealdb · 2026-07-20 · 31 CVEs total

CVE-2026-63757 8.8 HIGH SurrealDB before 3.1.0 Session Hijacking via /rpc sessions
CVE-2026-63735 8.1 HIGH SurrealDB before 3.2.0 Authentication Bypass via Custom API
CVE-2026-63756 8.1 HIGH SurrealDB before 3.1.0 Privilege Escalation via RPC Session Race Condition
CVE-2026-63739 7.7 HIGH SurrealDB before 3.1.5 Arbitrary File Read via DEFINE ANALYZER
CVE-2026-63763 7.5 HIGH SurrealDB before 2.5.0 Privilege Escalation via Future Fields
CVE-2026-63747 7.5 HIGH SurrealDB before 3.1.0 Denial of Service via malformed RPC use
CVE-2026-63760 7.5 HIGH SurrealDB before 3.1.0 Denial of Service via JSON Parser
CVE-2026-63755 6.5 MEDIUM SurrealDB before 3.1.0 Permission Bypass via WHERE Clause
CVE-2026-63759 6.5 MEDIUM SurrealDB before 3.1.0 Denial of Service nested type annotations
CVE-2026-63740 6.5 MEDIUM SurrealDB before 3.1.4 Array Element Permission Bypass
CVE-2026-63737 6.5 MEDIUM SurrealDB before 3.1.5 Denial of Service via deep operator chains
CVE-2026-63741 6.5 MEDIUM SurrealDB before 3.1.0 Authentication Bypass via USE statement
CVE-2026-63754 6.5 MEDIUM SurrealDB before 3.1.0 Denial of Service via LIVE Query
CVE-2026-63746 6.5 MEDIUM SurrealDB before 3.1.0 Permission Bypass via Graph Traversal
CVE-2026-63743 6.4 MEDIUM SurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect
CVE-2026-63762 6.0 MEDIUM SurrealDB before v2.6.1 Denial of Service via scripting
CVE-2026-63745 5.4 MEDIUM SurrealDB before 3.1.0 Authorization Bypass via Composite Record-id
CVE-2026-63750 5.3 MEDIUM SurrealDB before 3.1.0 Memory Amplification via /sql WebSocket
CVE-2026-63734 4.9 MEDIUM SurrealDB before 3.2.0 Denial of Service via malformed SurrealML import
CVE-2026-63748 4.3 MEDIUM SurrealDB before 3.1.0 Information Disclosure via Error Messages

Showing top 20 of 31 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: surrealdb
Same vendor: surrealdb
Same weakness: CWE-862

V. Comments for CVE-2026-63758

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