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CVE-2026-116073— Leon before commit 50df142 Path Traversal via /download model Command

Quick assessment

Affected
leon-ai leon
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.

在提交 50df142 之前的 Leon 版本中， 函数存在路径遍历漏洞。该漏洞允许攻击者利用经过百分号编码的路径分隔符（如 表示 ），将文件写入模型目录之外的任意位置。攻击者可诱使用户执行带有特制 URL 的“下载模型”命令，该 URL 中包含编码后的 序列，从而将攻击者控制的内容写入 Leon 有权限写入的任意路径。

CVSS 6.5 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
leon-ai leon a3afdef81c8dd085b922f5a4e6b68bb9b9d802e4< 50df142a89a0859e5b7283d87afdab7b01e712a2 affected
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I. Basic Information for CVE-2026-116073

Vulnerability Information
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Vulnerability Title
Leon before commit 50df142 Path Traversal via /download model Command
Source: CVE Program / CVE List V5
Vulnerability Description
Leon before commit 50df142 contains a path traversal vulnerability in getModelFileNameFromURL() that allows attackers to write files outside the models directory via percent-encoded separators. Attackers can trick a user into running '/download model' with a crafted URL containing encoded '../' sequences to write attacker-controlled content to arbitrary paths writable by Leon.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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
leon-ai leon a3afdef81c8dd085b922f5a4e6b68bb9b9d802e4 ~ 50df142a89a0859e5b7283d87afdab7b01e712a2 -

II. Public POCs for CVE-2026-116073

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-116073

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Patches & Fixes for CVE-2026-116073 (2)

Vendor Advisories for CVE-2026-116073 (1)

Proof of Concept for CVE-2026-116073 (1)

Vendor Pages for CVE-2026-116073 (1)

Other References for CVE-2026-116073 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22