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CVE-2026-62663— Banks: Arbitrary File Read via Path Traversal in Media Filters (image/audio/video/document)

Quick assessment

Affected
masci banks
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

masci banks是masci的服务器软件。 Massimiliano Pippi banks 2.4.4之前版本存在路径遍历漏洞，该漏洞源于路径处理不当，所有四个媒体过滤器接受不受信任的用户输入作为文件路径，未经路径清理、规范化或目录限制，可能导致攻击者通过路径遍历读取任意文件。

CVSS 7.5 · High EPSS 0.50% · P41

Affected Version Matrix 1

VendorProduct Version RangeStatus
masci banks < 2.4.4 affected
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I. Basic Information for CVE-2026-62663

Vulnerability Information
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Vulnerability Title
Banks: Arbitrary File Read via Path Traversal in Media Filters (image/audio/video/document)
Source: CVE Program / CVE List V5
Vulnerability Description
Banks generates meaningful LLM prompts using a simple template language. In versions prior to 2.4.4, all four media filters (image, audio, video, document) in banks accept untrusted user input as file paths via Path(value) and pass them directly to open(file_path, "rb") without any path sanitization, canonicalization, or directory restriction. An attacker who controls template variables passed to a banks Prompt can use path traversal (../) to read arbitrary files accessible to the Python process—including .env files, SSH keys, cloud credentials, source code, /etc/passwd, and /etc/shadow—with the content returned base64-encoded in the rendered prompt output, making exfiltration trivial. This is particularly dangerous for applications that use banks to process user-provided template variables before sending prompts to an LLM. This issue has been fixed in version 2.4.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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
Vulnerability Title
Massimiliano Pippi banks 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
masci banks是masci的服务器软件。 Massimiliano Pippi banks 2.4.4之前版本存在路径遍历漏洞，该漏洞源于路径处理不当，所有四个媒体过滤器接受不受信任的用户输入作为文件路径，未经路径清理、规范化或目录限制，可能导致攻击者通过路径遍历读取任意文件。
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
masci banks < 2.4.4 -

II. Public POCs for CVE-2026-62663

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7711 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-62663

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Vendor Advisories for CVE-2026-62663 (1)

IV. Related Vulnerabilities

Same product: banks
Same vendor: masci
Same weakness: CWE-22

V. Comments for CVE-2026-62663

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