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CVE-2026-86544— knowns before 0.30.0 Authorization Bypass via Misclassified Code Actions

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 0.30.0 之前的版本中存在一个授权绕过漏洞，该漏洞表现为将修改型代码操作错误地分类为只读操作。拥有只读受限会话的攻击者可以利用 来修改权限配置，从而在后续调用中提升自身权限。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-86544

Vulnerability Information
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Vulnerability Title
knowns before 0.30.0 Authorization Bypass via Misclassified Code Actions
Source: CVE Program / CVE List V5
Vulnerability Description
knowns versions before 0.30.0 contain an authorization bypass vulnerability where mutating code actions are incorrectly classified as read-only operations. Attackers with read-restricted sessions can exploit code.replace to modify permission configurations and escalate privileges on subsequent calls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
knowns-dev knowns 0 ~ 0.30.0 -

II. Public POCs for CVE-2026-86544

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III. Intelligence Information for CVE-2026-86544

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Patches & Fixes for CVE-2026-86544 (3)

Vendor Advisories for CVE-2026-86544 (2)

Vendor Pages for CVE-2026-86544 (1)

Same Patch Batch · knowns-dev · 2026-09-07 · 8 CVEs total

CVE-2026-86543 9.8 CRITICAL knowns before 0.30.0 Unauthenticated Management API Exposure
CVE-2026-86542 9.1 CRITICAL knowns before 0.30.0 Path Traversal via Import Name
CVE-2026-86439 8.8 HIGH knowns before 0.30.0 Path Traversal via MCP doc and memory tools
CVE-2026-86541 8.3 HIGH knowns before 0.30.0 Path Traversal via code.replace MCP action
CVE-2026-86540 7.8 HIGH knowns before 0.30.0 Arbitrary Code Execution via LSP Binary
CVE-2026-86538 7.5 HIGH knowns before 0.30.0 Path Traversal via templateFile parameter
CVE-2026-86539 7.2 HIGH knowns through 0.33.0 Server-Side Request Forgery via embedding-models endpoint

IV. Related Vulnerabilities

Same product: knowns
Same vendor: knowns-dev
Same weakness: CWE-863

V. Comments for CVE-2026-86544

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