High
Kimai before 2.57.0 Improper Authorization via Favorite Endpoints
Type: advisorySources: OSV
Kimai before 2.57.0 contains an improper authorization vulnerability in the favorite timesheet add and remove endpoints that allows authenticated users to manipulate other users' bookmarks. Attackers can add or remove timesheet entries from another user's favorite list by referencing their timesheet identifier, enabling cross-user business-state tampering without administrative privileges.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-80197
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 01:37 UTC · Revision 1
Source evidence
Kimai before 2.57.0 Improper Authorization via Favorite Endpoints
core-osv · Original sourcePublished 25 Aug 2026, 23:19 UTC
Kimai before 2.57.0 contains an improper authorization vulnerability in the favorite timesheet add and remove endpoints that allows authenticated users to manipulate other users' bookmarks. Attackers can add or remove timesheet entries from another user's favorite list by referencing their timesheet identifier, enabling cross-user business-state tampering without administrative privileges.
osv:CVE-2026-80197
Complete source record
{
"id": "120af926471d5c05101a30e1ecc39701252012104cc2ed08a6f1fa74e07fbddd",
"url": "https://osv.dev/vulnerability/CVE-2026-80197",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Kimai before 2.57.0 Improper Authorization via Favorite Endpoints",
"summary": "Kimai before 2.57.0 contains an improper authorization vulnerability in the favorite timesheet add and remove endpoints that allows authenticated users to manipulate other users' bookmarks. Attackers can add or remove timesheet entries from another user's favorite list by referencing their timesheet identifier, enabling cross-user business-state tampering without administrative privileges.",
"evidence": "osv:CVE-2026-80197",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-80197",
"aliases": [
"CVE-2026-80197",
"GHSA-j5mc-p8qg-39j7"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/kimai/kimai",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "09b7adaa062d4843afa882fc1343800467a6125d"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2.57.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2.57.0"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"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",
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"2.0.23",
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"2.0.20",
"2.0.19",
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"2.0.17",
"2.0.16",
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"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-2026-80197.json"
}
}
],
"modified": "2026-10-28T02:30:48.581091927Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80197.json",
"https://github.com/kimai/kimai/security/advisories/GHSA-j5mc-p8qg-39j7",
"https://nvd.nist.gov/vuln/detail/CVE-2026-80197",
"https://www.vulncheck.com/advisories/kimai-before-2.57.0-improper-authorization-via-favorite-endpoints"
],
"provider_metadata": {
"cwe_ids": [
"CWE-639"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80197.json"
}
},
"related_cves": [
{
"value": "CVE-2026-80197",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 517035,
"published_at": "2026-08-25T23:19:03.788+00:00"
}