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CVE-2026-90945— Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret

Quick assessment

Affected
crawlab-team crawlab
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.

Crawlab 版本 0.6.3 及以下版本在生成 JWT 令牌时使用了一个硬编码的 HMAC-SHA256 密钥进行签名，且该密钥无法通过配置文件或环境变量进行覆盖。未认证的攻击者可以利用此缺陷伪造有效的管理员令牌，从而访问管理接口并在 Worker 节点上执行任意代码。

CVSS 9.8 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
crawlab-team crawlab ≤ 0.6.3 affected
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I. Basic Information for CVE-2026-90945

Vulnerability Information
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Vulnerability Title
Crawlab through 0.6.3 Authentication Bypass via Hard-coded JWT Secret
Source: CVE Program / CVE List V5
Vulnerability Description
Crawlab through 0.6.3 uses a hard-coded HMAC-SHA256 secret for JWT token signing that cannot be overridden via configuration or environment variables. Unauthenticated attackers can forge valid administrator tokens to access administrative APIs and execute code on worker nodes.
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
crawlab-team crawlab 0 ~ 0.6.3 -

II. Public POCs for CVE-2026-90945

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III. Intelligence Information for CVE-2026-90945

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Patches & Fixes for CVE-2026-90945 (1)

Vendor Advisories for CVE-2026-90945 (1)

Proof of Concept for CVE-2026-90945 (2)

Vendor Pages for CVE-2026-90945 (1)

IV. Related Vulnerabilities

Same product: crawlab
Same vendor: crawlab-team
Same weakness: CWE-321

V. Comments for CVE-2026-90945

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