High 8.8Published Jun 25, 2026

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

Updated under an hour ago (Oct 28, 2026, 5:10 AM ET)

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It affects haiwen seahub. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for haiwen seahub

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

haiwen seahub haiwen:seahub (from the name)	before 13.0.23	CNA record

References

References

https://plus.seafile.com/wiki/publish/seafile-wiki/v5D5/	release-notes
https://github.com/haiwen/seahub/issues/9050	issue-tracking
https://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23cc	patch
https://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57	patch
https://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-method	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.