CVE-2026-56768

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 53.1% of scored records. A rank, not a probability.

NVD base score

8.7 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-10-25.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-06-25 18:05Z4 MO AGO

Last updated

2026-07-14 21:34Z3 MO AGO

Reserved

2026-06-22

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

594c8ac1fe67b44a054fcf9b998b4d0d350f7022bb50730f924de1dcddaf24f4

• plus.seafile.comRelease Noteshttps://plus.seafile.com/wiki/publish/seafile-wiki/v5D5/release-notes
• github.comGitHub Issuehttps://github.com/haiwen/seahub/issues/9050issue-tracking
• github.comPatch Commit (1)https://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23ccpatch
• github.comPatch Commit (2)https://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57patch
• www.vulncheck.comhttps://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-methodthird-party-advisory