Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-63735— SurrealDB before 3.2.0 Authentication Bypass via Custom API

CVSS 8.1 · High EPSS 0.26% · P18

Possible ATT&CK Techniques 1AI

T1133 · External Remote Services

Affected Version Matrix 2

VendorProductVersion RangeStatus
surrealdbsurrealdb< 3.2.0affected
3.2.0unaffected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-63735

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
SurrealDB before 3.2.0 Authentication Bypass via Custom API
Source: CVE Program / CVE List V5
Vulnerability Description
SurrealDB versions before 3.2.0 fail to validate namespace and database scope in custom API routes, allowing authenticated users to invoke endpoints in different namespaces/databases. Attackers with valid credentials for any namespace/database can access custom API endpoints in other tenants by specifying the target scope in the URL path, reading sensitive data or triggering unintended operations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
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 3.2.0之前版本存在授权问题漏洞，该漏洞源于自定义API路由中的命名空间和数据库范围验证缺失，导致经过身份验证的用户可以调用其他命名空间或数据库的端点，攻击者通过指定目标范围可访问其他租户的自定义API端点，读取敏感数据或触发意外操作。
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 ~ 3.2.0 -

II. Public POCs for CVE-2026-63735

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7379 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-63735

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-63735 (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-2026-637568.1 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-2026-637637.5 HIGHSurrealDB before 2.5.0 Privilege Escalation via Future Fields
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-2026-637376.5 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-2026-637406.5 MEDIUMSurrealDB before 3.1.4 Array Element Permission Bypass
CVE-2026-637556.5 MEDIUMSurrealDB before 3.1.0 Permission Bypass via WHERE Clause
CVE-2026-637596.5 MEDIUMSurrealDB before 3.1.0 Denial of Service nested type annotations
CVE-2026-637436.4 MEDIUMSurrealDB before 3.1.0 Port-Specific Deny Rule Bypass via HTTP Redirect
CVE-2026-637626.0 MEDIUMSurrealDB before v2.6.1 Denial of Service via scripting
CVE-2026-637585.4 MEDIUMSurrealDB before 3.1.0 Authorization Bypass via KILL Statement
CVE-2026-637455.4 MEDIUMSurrealDB before 3.1.0 Authorization Bypass via Composite Record-id
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-2026-637494.3 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-639

V. Comments for CVE-2026-63735

No comments yet

Leave a comment