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CVE-2026-111692— DataBuff ai-apm-web through 0.1.10 Authentication Bypass via Hardcoded HMAC Secret

Quick assessment

Affected
databufflabs databuff
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.

DataBuff ai-apm-web 0.1.10 及更早版本存在认证绕过漏洞。由于 JwtTokenService 中硬编码了 HMAC 密钥，未认证的攻击者可利用该默认开发密钥（dev-secret）伪造管理员会话令牌。攻击者可构造包含管理员权限且设置未来过期时间的载荷，从而获得对受保护的 路由（包括 Doris SQL 查询 API）的完整管理员访问权限。

CVSS 9.8 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
databufflabs databuff ≤ 0.1.10 affected
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I. Basic Information for CVE-2026-111692

Vulnerability Information
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Vulnerability Title
DataBuff ai-apm-web through 0.1.10 Authentication Bypass via Hardcoded HMAC Secret
Source: CVE Program / CVE List V5
Vulnerability Description
DataBuff ai-apm-web through 0.1.10 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge admin session tokens by using the hardcoded HMAC secret in JwtTokenService. Attackers can sign a payload of admin and a future expiry with the default dev-secret to gain full administrative access to protected /webapi routes, including the Doris SQL query API.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
databufflabs databuff 0 ~ 0.1.10 -

II. Public POCs for CVE-2026-111692

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III. Intelligence Information for CVE-2026-111692

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Vendor Advisories for CVE-2026-111692 (1)

Proof of Concept for CVE-2026-111692 (1)

Vendor Pages for CVE-2026-111692 (1)

Other References for CVE-2026-111692 (2)

IV. Related Vulnerabilities

Same product: databuff
Same vendor: databufflabs
Same weakness: CWE-321

V. Comments for CVE-2026-111692

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