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CVE-2026-109335— SurrealDB 3.0.0 before 3.3.0 Information Disclosure via COMPUTED Fields

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 3.0.0 至 3.3.0 版本之前存在一个信息泄露漏洞，允许普通用户通过 COMPUTED 字段读取被字段级 SELECT 权限所隐藏的字段值。攻击者可以选择那些可读的 COMPUTED 字段来源于隐藏字段的数据记录，或者利用带有 $before/$after 的 WRITE RETURN 子句来暴露这些被隐藏的敏感值。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 2

VendorProduct Version RangeStatus
surrealdb surrealdb 3.0.0< 3.3.0 affected
3.3.0 unaffected
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I. Basic Information for CVE-2026-109335

Vulnerability Information
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Vulnerability Title
SurrealDB 3.0.0 before 3.3.0 Information Disclosure via COMPUTED Fields
Source: CVE Program / CVE List V5
Vulnerability Description
SurrealDB from 3.0.0 before 3.3.0 contains an information disclosure vulnerability that allows record users to read values hidden by field-level SELECT permissions through COMPUTED fields. Attackers can select records whose readable COMPUTED fields derive from hidden fields, or use write RETURN clauses with $before/$after to expose hidden values.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
surrealdb surrealdb 3.0.0 ~ 3.3.0 -

II. Public POCs for CVE-2026-109335

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III. Intelligence Information for CVE-2026-109335

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Vendor Advisories for CVE-2026-109335 (1)

Other References for CVE-2026-109335 (1)

Same Patch Batch · surrealdb · 2026-10-12 · 11 CVEs total

CVE-2026-109343 8.1 HIGH SurrealDB before 3.3.0 Cross-Tenant Access via USE Statement
CVE-2026-109334 8.1 HIGH SurrealDB before 3.3.0 Cross-Tenant Access via Surreal-NS/Surreal-DB Headers and RPC use
CVE-2026-109341 7.1 HIGH SurrealDB before 3.3.0 Field Permission Bypass via PATCH copy/move/test Operations
CVE-2026-109333 6.5 MEDIUM SurrealDB 3.0.0 before 3.3.0 Cross-Tenant Record Read via RETURN FETCH
CVE-2026-109338 6.5 MEDIUM SurrealDB before 3.3.0 Denial of Service via Headers Non-ASCII Values
CVE-2026-109340 5.4 MEDIUM SurrealDB 3.1.0 before 3.3.0 Authorization Bypass via REFERENCE ON DELETE CASCADE
CVE-2026-109342 5.4 MEDIUM SurrealDB 3.0.0 before 3.3.0 Missing Authentication in revoke RPC Method
CVE-2026-109339 4.9 MEDIUM SurrealDB 3.1.0 before 3.3.0 Memory Exhaustion via Surrealism Module Output Buffering
CVE-2026-109337 4.3 MEDIUM SurrealDB before 3.3.0 Field Permission Bypass via LIVE SELECT WHERE Clause
CVE-2026-109336 4.3 MEDIUM SurrealDB before 3.3.0 Field Permission Bypass via LIVE SELECT $before/$after

IV. Related Vulnerabilities

Same product: surrealdb
Same vendor: surrealdb
Same weakness: CWE-200

V. Comments for CVE-2026-109335

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