Vulnerability DatabaseCVE-2026-56768
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CVE-2026-56768
Published:June 25, 2026
Updated:June 29, 2026
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.
Affected Packages
https://github.com/haiwen/seahub.git (GITHUB):
Affected version(s) >=v2.0.1-pro <v13.0.23-pro
Fix Suggestion:
Update to version v13.0.23-pro
Related Resources (5)
https://github.com/haiwen/seahub/issues/9050
https://plus.seafile.com/wiki/publish/seafile-wiki/v5D5/
https://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-method
https://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23cc
https://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authorization
CWE-862
EPSS
Base Score:
0.38