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CVE-2026-63743— SurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect

CVSS 6.4 · Medium EPSS 0.19% · P9

Possible ATT&CK Techniques 1AI

T1071 · Application Layer Protocol

Affected Version Matrix 2

VendorProductVersion RangeStatus
surrealdbsurrealdb< 3.1.0affected
3.1.0unaffected
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I. Basic Information for CVE-2026-63743

Vulnerability Information
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Vulnerability Title
SurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect
Source: CVE Program / CVE List V5
Vulnerability Description
SurrealDB before 3.1.0 contains a capability bypass vulnerability in HTTP redirect handling that allows authenticated users to circumvent port-scoped --deny-net rules. Attackers can chain an HTTP redirect from an allowed hostname to a denied host:port combination, and the redirect is followed because the port information is dropped during redirect policy evaluation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
SurrealDB 服务端请求伪造漏洞
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之前版本存在服务端请求伪造漏洞，该漏洞源于HTTP重定向处理中存在能力绕过漏洞，可能导致经过身份验证的用户绕过端口范围的 --deny-net 规则。
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

VendorProductAffected VersionsCPESubscribe
surrealdbsurrealdb 0 ~ 3.1.0 -

II. Public POCs for CVE-2026-63743

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III. Intelligence Information for CVE-2026-63743

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Vendor Advisories for CVE-2026-63743 (2)

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

CVE-2026-637578.8 HIGHSurrealDB before 3.1.0 Session Hijacking via /rpc sessions
CVE-2026-637358.1 HIGHSurrealDB before 3.2.0 Authentication Bypass via Custom API
CVE-2026-637568.1 HIGHSurrealDB before 3.1.0 Privilege Escalation via RPC Session Race Condition
CVE-2026-637397.7 HIGHSurrealDB before 3.1.5 Arbitrary File Read via DEFINE ANALYZER
CVE-2026-637477.5 HIGHSurrealDB before 3.1.0 Denial of Service via malformed RPC use
CVE-2026-637607.5 HIGHSurrealDB before 3.1.0 Denial of Service via JSON Parser
CVE-2026-637596.5 MEDIUMSurrealDB before 3.1.0 Denial of Service nested type annotations
CVE-2026-637406.5 MEDIUMSurrealDB before 3.1.4 Array Element Permission Bypass
CVE-2026-637556.5 MEDIUMSurrealDB before 3.1.0 Permission Bypass via WHERE Clause
CVE-2026-637376.5 MEDIUMSurrealDB before 3.1.5 Denial of Service via deep operator chains
CVE-2026-637416.5 MEDIUMSurrealDB before 3.1.0 Authentication Bypass via USE statement
CVE-2026-637546.5 MEDIUMSurrealDB before 3.1.0 Denial of Service via LIVE Query
CVE-2026-637466.5 MEDIUMSurrealDB before 3.1.0 Permission Bypass via Graph Traversal
CVE-2026-637455.4 MEDIUMSurrealDB before 3.1.0 Authorization Bypass via Composite Record-id
CVE-2026-637585.4 MEDIUMSurrealDB before 3.1.0 Authorization Bypass via KILL Statement
CVE-2026-637505.3 MEDIUMSurrealDB before 3.1.0 Memory Amplification via /sql WebSocket
CVE-2026-637344.9 MEDIUMSurrealDB before 3.2.0 Denial of Service via malformed SurrealML import
CVE-2026-637384.3 MEDIUMSurrealDB 3.1.0 before 3.1.5 Field Permission Bypass via Traversal
CVE-2026-637484.3 MEDIUMSurrealDB before 3.1.0 Information Disclosure via Error Messages
CVE-2026-637494.3 MEDIUMSurrealDB before 3.1.0 Authentication Bypass via LIVE SELECT

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

IV. Related Vulnerabilities

Same product: surrealdb
Same vendor: surrealdb
Same weakness: CWE-918

V. Comments for CVE-2026-63743

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