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CVE-2026-56768 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:3.7 LOWVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57	[email protected]	Source CodeVendor
https://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23cc	[email protected]	Source CodeVendor
https://github.com/haiwen/seahub/issues/9050	[email protected]	Issue TrackingVendor
https://plus.seafile.com/wiki/publish/seafile-wiki/v5D5/	[email protected]	Release NotesVendor
https://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-method	[email protected]	AdvisoryBundleRemedy

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-862	Missing Authorization	[email protected]

Affected Products

Product	Versions
Haiwen Seahub	< 13.0.23 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 13.0.23moderate effort

Change History

3 change records found show changes

Date	Action	Recorded By
Jul 14, 2026	CVE Modified	[email protected]
Jun 30, 2026	CVE Modified	CISA-ADP
Jun 25, 2026	New CVE Received	[email protected]