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CVE-2026-109562— SnapOtter 1.15.10 through 2.2.0 Missing Authorization via Upload and Preview API

Quick assessment

Affected
snapotter-hq SnapOtter
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.

SnapOtter 1.15.10 至 2.2.0 版本存在一个缺失授权检查的安全漏洞，该漏洞允许任何已认证的用户在缺乏适当权限验证的情况下，调用 、 和 处理程序。攻击者即使仅持有具备 范围的 API 密钥，也能绕过存储配额限制，上传任意文件，并通过 接口以未认证的方式提供这些文件供下载。此外，攻击者还可将构造的恶意输入作为图像或视频解码器的处理对象，从而可能引发进一步的漏洞利用。

CVSS 5.4 · Medium EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
snapotter-hq SnapOtter 1.15.10≤ 2.2.0 affected
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I. Basic Information for CVE-2026-109562

Vulnerability Information
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Vulnerability Title
SnapOtter 1.15.10 through 2.2.0 Missing Authorization via Upload and Preview API
Source: CVE Program / CVE List V5
Vulnerability Description
SnapOtter 1.15.10 through 2.2.0 contains a missing authorization vulnerability that allows any authenticated principal to call the /api/v1/upload, /api/v1/preview and /api/v1/preview/generate handlers without permission checks. Attackers holding even a settings:read-scoped API key can stage arbitrary files outside storage quota, served unauthenticated via /api/v1/download, and feed crafted input to image and video decoders.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
snapotter-hq SnapOtter 1.15.10 ~ 2.2.0 -

II. Public POCs for CVE-2026-109562

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-109562

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Patches & Fixes for CVE-2026-109562 (2)

Vendor Advisories for CVE-2026-109562 (1)

Other References for CVE-2026-109562 (1)

IV. Related Vulnerabilities

Same weakness: CWE-862

V. Comments for CVE-2026-109562

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