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CVE-2026-110650— Thumbnail through 1.5 OS Command Injection via generate_thumbnail File Paths

Quick assessment

Affected
anshulkharb thumbnail
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.

Thumbnail Python 包（版本 1.5 及之前）在 函数中存在操作系统命令注入漏洞，攻击者可通过在文件路径中注入 shell 元字符来执行任意命令。如果攻击者能够控制传入 函数的文件名（例如通过上传的文件），便可在以 Python 进程权限运行的 调用中注入恶意命令，这些命令可能涉及 ffmpeg、convert 或 unoconv 等工具。

CVSS 9.8 · Critical EPSS 2.99% · P87

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
anshulkharb thumbnail ≤ 1.5 affected
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I. Basic Information for CVE-2026-110650

Vulnerability Information
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Vulnerability Title
Thumbnail through 1.5 OS Command Injection via generate_thumbnail File Paths
Source: CVE Program / CVE List V5
Vulnerability Description
The thumbnail Python package through 1.5 contains an OS command injection vulnerability in generate_thumbnail() that allows attackers to execute commands by supplying shell metacharacters in file paths. Attackers who control a file name passed to generate_thumbnail, such as an uploaded file, can inject commands into os.system() calls running ffmpeg, convert or unoconv with the Python process privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
anshulkharb thumbnail 0 ~ 1.5 -

II. Public POCs for CVE-2026-110650

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III. Intelligence Information for CVE-2026-110650

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Patches & Fixes for CVE-2026-110650 (1)

Other References for CVE-2026-110650 (2)

IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2026-110650

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