CVE-2026-56768
HIGHSeahub < 13.0.23 - Authentication Bypass in ShareLinkZipTaskView GET Method
Title source: cnaDescription
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.
References (5)
Core 5
Core References
Patch patch
Patch Commit (1)
https://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23cc
Patch patch
Patch Commit (2)
https://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-method
Scores
CVSS v3
8.8
EPSS
0.0038
EPSS Percentile
30.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-862
Status
published
Products (1)
haiwen/seahub
< 13.0.23
Published
Jun 25, 2026
Tracked Since
Jun 26, 2026