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CVE-2026-100687— Budibase Server before 3.45.0 Credential Exposure via External Table Broadcast

Quick assessment

Affected
budibase server
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.

Budibase 服务器在 3.45.0 版本之前，在向外部分享表格更新信息到 Builder 协作 WebSocket 房间之前，未能对明文的数据源凭据进行脱敏处理。拥有 Builder 访问权限的攻击者可以通过监控表格保存或删除操作，拦截到未脱敏的数据源对象，从而获取数据库密码和 API 密钥。

CVSS 5.5 · Medium EPSS 0.26% · P16
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I. Basic Information for CVE-2026-100687

Vulnerability Information
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Vulnerability Title
Budibase Server before 3.45.0 Credential Exposure via External Table Broadcast
Source: CVE Program / CVE List V5
Vulnerability Description
Budibase Server before 3.45.0 fails to redact plaintext datasource credentials before broadcasting external table updates to the Builder collaboration websocket room. Attackers with Builder access can intercept unredacted datasource objects containing database passwords and API keys by observing table save or delete operations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/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
budibase server 0 ~ 3.45.0 -

II. Public POCs for CVE-2026-100687

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III. Intelligence Information for CVE-2026-100687

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Vendor Advisories for CVE-2026-100687 (1)

Other References for CVE-2026-100687 (1)

Same Patch Batch · budibase · 2026-09-26 · 9 CVEs total

CVE-2026-100682 8.8 HIGH Budibase Server before 3.45.0 Arbitrary File Write via ZIP Symlink
CVE-2026-100686 8.1 HIGH Budibase before 3.45.0 Cross-Workspace Privilege Escalation via POST /api/global/groups/:g
CVE-2026-100684 8.1 HIGH Budibase Server 3.41.0 before 3.45.0 Authentication Bypass via OIDC
CVE-2026-100680 8.1 HIGH Budibase before 3.45.0 Arbitrary Local File Read via OpenAPI Import
CVE-2026-100683 8.0 HIGH Budibase before 3.45.0 SQL Injection via column-rename DDL
CVE-2026-100685 7.7 HIGH Budibase before 3.45.0 Information Disclosure via Chat Links
CVE-2026-100688 6.5 MEDIUM Budibase server before 3.45.0 Cross-Tenant Information Disclosure
CVE-2026-100681 5.4 MEDIUM Budibase before 3.45.0 SSRF and OAuth Token Exfiltration via Teams Webhook

IV. Related Vulnerabilities

Same product: server
Same vendor: budibase
Same weakness: CWE-200

V. Comments for CVE-2026-100687

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