CVE-2026-85619CWE-863broken-access-control

CVE-2026-85619

High · published September 4, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
46.3
In the wild
Unconfirmed
What it is

AppFlowy-Cloud 0.9.64 fails to verify that requested collab objects belong to the workspace in authorization checks, allowing attackers to access documents and database rows across workspaces. Attackers can supply a victim's object ID with their own workspace ID to bypass access controls and read, modify, or delete cross-workspace data.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
7.7 · CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00567 · 46.3th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-04T19:17Z
References (5)
EPSS history
Timeline
  • 06 SEP 03:33Z
    EPSS moved — → 1%
    epss
  • 04 SEP 14:32Z
    AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API
    cvelistv5