CVE-2026-84806CWE-732

CVE-2026-84806

Medium · published September 2, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
14.2
In the wild
Unconfirmed
What it is

Kimai before 2.63.0 contains an improper authorization vulnerability in team access endpoints that allows authenticated users with team edit permissions and read-only access to grant team access to customers, projects, or activities. Attackers can exploit insufficient permission checks by sending POST requests to team access endpoints to modify access control lists for entities they should not be able to modify.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00239 · 14.2th percentile
Weakness
CWE-732 · Incorrect Permission Assignment for Critical Resource
Published
2026-09-02T16:17Z
References (2)
https://github.com/kimai/kimai/security/advisories/GHSA-gmm9-hfxg-7v29 · [email protected]https://www.vulncheck.com/advisories/kimai-before-2.63.0-authorization-bypass-via-team-access-endpoints · [email protected]
EPSS history
Timeline
  • 04 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 02 SEP 11:11Z
    Kimai before 2.63.0 Authorization Bypass via Team Access Endpoints
    cvelistv5