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CVE-2026-56768— Seahub < 13.0.23 - Authentication Bypass in ShareLinkZipTaskView GET Method

Quick assessment

Affected
haiwen seahub
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.

haiwen seahub是haiwen团队的一个文件管理软件。 haiwen seahub 13.0.23之前版本存在授权问题漏洞，该漏洞源于未对GET /api/v2.1/share-link-zip-task/强制执行SHARE_LINK_LOGIN_REQUIRED，可能导致未经验证的用户绕过身份验证。

CVSS 8.8 · High EPSS 0.71% · P53

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 1

VendorProduct Version RangeStatus
haiwen seahub < 13.0.23 affected
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I. Basic Information for CVE-2026-56768

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Seahub < 13.0.23 - Authentication Bypass in ShareLinkZipTaskView GET Method
Source: CVE Program / CVE List V5
Vulnerability Description
Seahub before 13.0.23 does not enforce SHARE_LINK_LOGIN_REQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory trees.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
haiwen seahub 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
haiwen seahub是haiwen团队的一个文件管理软件。 haiwen seahub 13.0.23之前版本存在授权问题漏洞，该漏洞源于未对GET /api/v2.1/share-link-zip-task/强制执行SHARE_LINK_LOGIN_REQUIRED，可能导致未经验证的用户绕过身份验证。
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
haiwen seahub 0 ~ 13.0.23 -

II. Public POCs for CVE-2026-56768

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 12824 chars
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III. Intelligence Information for CVE-2026-56768

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Patches & Fixes for CVE-2026-56768 (3)

Vendor Advisories for CVE-2026-56768 (1)

Vendor Pages for CVE-2026-56768 (1)

IV. Related Vulnerabilities

Same vendor: haiwen
Same weakness: CWE-862