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CVE-2026-81659— Flowintel Note PDF Export Allows Arbitrary Local File Read via Pandoc/XeLaTeX Processing

Quick assessment

Affected
flowintel flowintel
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.

flowintel是flowintel团队开源的一款威胁情报与威胁分析管理平台。 flowintel 3.3.0及之前版本存在路径遍历漏洞，该漏洞源于路径遍历问题，导致PDF导出过程中攻击者控制的笔记内容被Pandoc和XeLaTeX处理，可读取Flowintel服务器上的本地文件并合并到生成的导出中。

CVSS 7.1 · High EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1560 · Archive Collected Data

Affected Version Matrix 1

VendorProduct Version RangeStatus
flowintel flowintel ≤ 3.3.0 affected
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I. Basic Information for CVE-2026-81659

Vulnerability Information
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Vulnerability Title
Flowintel Note PDF Export Allows Arbitrary Local File Read via Pandoc/XeLaTeX Processing
Source: CVE Program / CVE List V5
Vulnerability Description
Affected versions of Flowintel allow attacker-controlled note content to be processed by Pandoc and XeLaTeX during PDF export in a way that can cause local files on the Flowintel server to be read and incorporated into the generated export.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA: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
Vulnerability Title
flowintel 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
flowintel是flowintel团队开源的一款威胁情报与威胁分析管理平台。 flowintel 3.3.0及之前版本存在路径遍历漏洞，该漏洞源于路径遍历问题，导致PDF导出过程中攻击者控制的笔记内容被Pandoc和XeLaTeX处理，可读取Flowintel服务器上的本地文件并合并到生成的导出中。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
flowintel flowintel 0 ~ 3.3.0 -

II. Public POCs for CVE-2026-81659

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III. Intelligence Information for CVE-2026-81659

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Patches & Fixes for CVE-2026-81659 (2)

Same Patch Batch · flowintel · 2026-08-27 · 11 CVEs total

CVE-2026-81826 9.1 CRITICAL Flowintel Fails to Invalidate Active Sessions After Password Change
CVE-2026-81662 8.6 HIGH Flowintel Alert Settings Configuration Allows Remote Code Execution via Arbitrary Configur
CVE-2026-81818 8.6 HIGH Flowintel Organization Administrator Can Reset Full Administrator Password and Escalate Pr
CVE-2026-81743 7.5 HIGH Flowintel Arbitrary Log File Path Allows Remote Code Execution via Template Injection
CVE-2026-81817 7.2 HIGH Flowintel Missing Task-to-Case Authorization Allows Cross-Case Task Modification
CVE-2026-81827 6.9 MEDIUM Flowintel Login Email Validation Bypass Allows Log Injection via Crafted Email Input
CVE-2026-81819 5.3 MEDIUM Flowintel Missing Authorization Allows Regular API Users to View Other Users’ Task Assignm
CVE-2026-81814 5.1 MEDIUM Flowintel Stored XSS in Calendar via Malicious Case Title
CVE-2026-81753 5.1 MEDIUM Flowintel Stored XSS in Case Notes via Malicious Mermaid Diagram Content
CVE-2026-81820 5.1 MEDIUM Flowintel HTML Injection in MISP Case History Timeline via Crafted Object Attributes

IV. Related Vulnerabilities

Same product: flowintel
Same vendor: flowintel
Same weakness: CWE-22

V. Comments for CVE-2026-81659

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