CVE-2026-88817CWE-269CWE-284broken-access-controlprivilege-escalation

CVE-2026-88817

published September 16, 2026

CVSS
8.7
EPSS
0%
Percentile
27.5
In the wild
Unconfirmed
What it is

An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval.

It did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.

The record
Technical detail
CVSS
8.7 · NONE
CVSS v4.0
8.7 · 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
EPSS
0.00351 · 27.5th percentile
Weaknesses
CWE-269 · Improper Privilege Management; CWE-284 · Improper Access Control
Published
2026-09-16T17:18Z
References (1)
https://docs.curiosity.ai/security/advisories/cve-2026-88817 · [email protected]
EPSS history
Timeline
  • 18 SEP 04:02Z
    EPSS moved — → 0%
    epss
  • 16 SEP 12:10Z
    Privilege escalation via legacy access group creation endpoint
    cvelistv5