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CVE-2026-109568— Shaark 1.2.13 through 1.2.44 Missing Authorization via API Update and Delete Routes

Quick assessment

Affected
MarceauKa Shaark
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 Shaark 1.2.13 至 1.2.44 版本中，Link、Story、Chest 和 Album API 控制器存在缺失授权漏洞，该漏洞跳过了所有权检查。经过身份验证的非管理员用户可以发送 PUT 或 DELETE 请求至 /api/{link,story,chest,album}/{id}（其中包含数字 ID），从而覆盖或删除其他用户的内容，包括私有项目。

CVSS 7.1 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1098.003 · Additional Cloud Roles

Affected Version Matrix 1

VendorProduct Version RangeStatus
MarceauKa Shaark 1.2.13≤ 1.2.44 affected
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I. Basic Information for CVE-2026-109568

Vulnerability Information
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Vulnerability Title
Shaark 1.2.13 through 1.2.44 Missing Authorization via API Update and Delete Routes
Source: CVE Program / CVE List V5
Vulnerability Description
Shaark 1.2.13 through 1.2.44 contains a missing authorization vulnerability in the Link, Story, Chest and Album API controllers that skips ownership checks. Authenticated non-admin users can send PUT or DELETE requests to /api/{link,story,chest,album}/{id} with numeric IDs to overwrite or delete other users' content, including private items.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MarceauKa Shaark 1.2.13 ~ 1.2.44 -

II. Public POCs for CVE-2026-109568

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III. Intelligence Information for CVE-2026-109568

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Patches & Fixes for CVE-2026-109568 (1)

Vendor Advisories for CVE-2026-109568 (1)

Other References for CVE-2026-109568 (1)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2026-109568

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