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CVE-2026-88940— knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint

Quick assessment

Affected
knowns-dev knowns
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.

已知在 0.33.0 及更早版本中，工作区浏览端点未能正确验证路径查询参数，使得远程攻击者能够枚举宿主文件系统中的任意目录。攻击者可以通过遍历目录结构来定位项目目录，从而识别进一步利用的目标。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1082 · System Information Discovery
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I. Basic Information for CVE-2026-88940

Vulnerability Information
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Vulnerability Title
knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing remote attackers to enumerate arbitrary directories on the host filesystem. Attackers can traverse the directory structure to locate project directories and identify targets for further exploitation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
knowns-dev knowns 0 ~ 0.33.0 -

II. Public POCs for CVE-2026-88940

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III. Intelligence Information for CVE-2026-88940

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Vendor Advisories for CVE-2026-88940 (1)

Other References for CVE-2026-88940 (1)

Other References for CVE-2026-88940 (1)

Same Patch Batch · knowns-dev · 2026-09-10 · 5 CVEs total

CVE-2026-88899 9.8 CRITICAL knowns before 0.31.0 External Control of Agent Working Directory via x-opencode-directory
CVE-2026-88937 8.8 HIGH knowns through 0.33.0 Path Traversal via Template Engine
CVE-2026-88939 8.3 HIGH knowns through 0.33.0 Authorization Bypass via project.set Bootstrap Exemption
CVE-2026-88938 6.5 MEDIUM knowns through 0.33.0 Path Traversal via code.find MCP tool

IV. Related Vulnerabilities

Same product: knowns
Same vendor: knowns-dev
Same weakness: CWE-22

V. Comments for CVE-2026-88940

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