Medium
Kimai before 2.63.0 Authorization Bypass via Team Access Endpoints
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-84806
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 8 Nov 2026, 03:32 UTC · Revision 1
Source evidence
Kimai before 2.63.0 Authorization Bypass via Team Access Endpoints
core-osv · Original sourcePublished 2 Sept 2026, 11:11 UTC
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.
osv:CVE-2026-84806
Complete source record
{
"id": "4cbc2497c56b8cd51ea7c7f34685b958ef6aa04049314eb5055fd021c2de7480",
"url": "https://osv.dev/vulnerability/CVE-2026-84806",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Kimai before 2.63.0 Authorization Bypass via Team Access Endpoints",
"summary": "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.",
"evidence": "osv:CVE-2026-84806",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-84806",
"aliases": [
"CVE-2026-84806",
"GHSA-gmm9-hfxg-7v29"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/kimai/kimai",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "2e1c9e48b437cce69dcd52d0083862237ce0b321"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2.63.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2.63.0"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"2.62.0",
"2.61.0",
"2.60.0",
"2.59.0",
"2.58.0",
"2.57.0",
"2.56.0",
"2.55.0",
"2.54.0",
"2.53.0",
"2.52.0",
"2.51.0",
"2.50.0",
"2.49.0",
"2.48.0",
"2.47.0",
"2.46.0",
"2.45.0",
"2.44.0",
"2.43.0",
"2.42.0",
"2.41.0",
"2.40.0",
"2.39.0",
"2.38.0",
"2.37.0",
"2.36.1",
"2.36.0",
"2.35.1",
"2.35.0",
"2.34.0",
"2.33.0",
"2.32.0",
"2.31.0",
"2.30.0",
"2.29.0",
"2.28.0",
"2.27.0",
"2.26.0",
"2.25.0",
"2.24.0",
"2.23.0",
"2.22.0",
"2.21.0",
"2.20.1",
"2.20.0",
"2.19.1",
"2.19.0",
"2.18.0",
"2.17.0",
"2.16.1",
"2.16.0",
"2.15.0",
"2.14.0",
"2.13.0",
"2.12.0",
"2.11.0",
"2.10.0",
"2.9.0",
"2.8.0",
"2.7.0",
"2.6.0",
"2.5.0",
"2.4.1",
"2.4.0",
"2.3.0",
"2.2.1",
"2.2.0",
"2.1.0",
"2.0.35",
"2.0.34",
"2.0.33",
"2.0.32",
"2.0.31",
"2.0.30",
"2.0.29",
"2.0.28",
"2.0.27",
"2.0.26",
"2.0.25",
"2.0.24",
"2.0.23",
"2.0.22",
"2.0.21",
"2.0.20",
"2.0.19",
"2.0.18",
"2.0.17",
"2.0.16",
"2.0.15",
"2.0.14",
"2.0.13",
"2.0.12",
"2.0.11",
"2.0.10",
"2.0.9",
"2.0.8",
"2.0.7",
"2.0.6",
"2.0.5",
"2.0.4",
"2.0.3",
"2.0.2",
"2.0.1",
"2.0.0",
"2.0.0-rc-1",
"2.0.0-beta-3",
"2.0.0-beta-2",
"1.30.4",
"2.0.0-beta",
"2.0.0-alpha",
"1.30.1",
"1.30.0",
"1.29.1",
"1.29.0",
"1.28.1",
"1.28.0",
"1.27.0",
"1.26.0",
"1.25.0",
"1.24.0",
"1.23.1",
"1.23.0",
"1.22.1",
"1.22.0",
"1.21.0",
"1.20.4",
"1.20.3",
"1.20.2",
"1.20.1",
"1.20",
"1.19.7",
"1.19.6",
"1.19.5",
"1.19.4",
"1.19.3",
"1.19.2",
"1.19.1",
"1.19",
"1.18.2",
"1.18.1",
"1.18",
"1.17.1",
"1.17",
"1.16.10",
"1.16.9",
"1.16.8",
"1.16.7",
"1.16.6",
"1.16.5",
"1.16.4",
"1.16.3",
"1.16.2",
"1.16.1",
"1.16",
"1.15.6",
"1.15.5",
"1.15.4",
"1.15.3",
"1.15.2",
"1.15.1",
"1.15",
"1.14.3",
"1.14.2",
"1.14.1",
"1.14",
"1.13",
"1.12",
"1.11.1",
"1.11",
"1.10.2",
"1.10.1",
"1.10",
"1.9",
"1.8",
"1.7",
"1.6.2",
"1.6.1",
"1.6",
"1.5",
"1.4.2",
"1.4.1",
"1.4",
"1.3",
"1.2",
"1.1",
"1.0.1",
"1.0",
"0.9",
"0.8.1",
"0.8",
"0.7",
"0.6.1",
"0.6",
"0.5",
"0.4",
"0.3",
"0.2",
"0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-84806.json"
}
}
],
"modified": "2026-10-28T02:30:53.510253334Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84806.json",
"https://github.com/kimai/kimai/security/advisories/GHSA-gmm9-hfxg-7v29",
"https://nvd.nist.gov/vuln/detail/CVE-2026-84806",
"https://www.vulncheck.com/advisories/kimai-before-2.63.0-authorization-bypass-via-team-access-endpoints"
],
"provider_metadata": {
"cwe_ids": [
"CWE-732"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84806.json"
}
},
"related_cves": [
{
"value": "CVE-2026-84806",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 522237,
"published_at": "2026-09-02T11:11:19.049+00:00"
}