CVAT: Flawed authorization logic in endpoints related to lambda requests
CVAT is an open source interactive video and image annotation tool for computer vision. From 2.17.0 until 2.72.0, a user with the Worker role can use predictable task-based request IDs with the lambda request retrieve and destroy endpoints to view automatic annotation requests for tasks or jobs the user cannot access and cancel requests initiated by other users. This issue is fixed in version 2.72.0.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-73221
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 04:13 UTC · Revision 1
Source evidence
CVAT: Flawed authorization logic in endpoints related to lambda requests
core-osv · Original sourcePublished 11 Aug 2026, 18:22 UTC
CVAT is an open source interactive video and image annotation tool for computer vision. From 2.17.0 until 2.72.0, a user with the Worker role can use predictable task-based request IDs with the lambda request retrieve and destroy endpoints to view automatic annotation requests for tasks or jobs the user cannot access and cancel requests initiated by other users. This issue is fixed in version 2.72.0.
osv:CVE-2026-73221
Complete source record
{
"id": "b8edfa0ed740e362c0c5333853e704baf8181480a01920cefe9f65230cb17f60",
"url": "https://osv.dev/vulnerability/CVE-2026-73221",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVAT: Flawed authorization logic in endpoints related to lambda requests",
"summary": "CVAT is an open source interactive video and image annotation tool for computer vision. From 2.17.0 until 2.72.0, a user with the Worker role can use predictable task-based request IDs with the lambda request retrieve and destroy endpoints to view automatic annotation requests for tasks or jobs the user cannot access and cancel requests initiated by other users. This issue is fixed in version 2.72.0.",
"evidence": "osv:CVE-2026-73221",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-73221",
"aliases": [
"CVE-2026-73221",
"GHSA-m7p7-6w4m-886p"
],
"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/cvat-ai/cvat",
"type": "GIT",
"events": [
{
"introduced": "148e60712504420560f90c8040921aae5de521ae"
},
{
"fixed": "0445d0336f9bc537dd8227b5f9be69c9ad5d11b0"
},
{
"fixed": "20a1076a0b9de47e067b121e40f16d66d373b3f7"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "2.17.0"
},
{
"fixed": "2.72.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "20a1076a0b9de47e067b121e40f16d66d373b3f7"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "0445d0336f9bc537dd8227b5f9be69c9ad5d11b0"
}
],
"source": "REFERENCES_TAG",
"original_tag": "v2.72.0"
}
]
}
}
],
"versions": [
"v2.71.0",
"v2.70.0",
"v2.69.0",
"v2.68.0",
"v2.67.0",
"v2.66.0",
"v2.65.0",
"v2.64.0",
"v2.63.0",
"v2.62.0",
"v2.61.0",
"v2.60.0",
"v2.59.1",
"v2.59.0",
"v2.58.0",
"v2.57.0",
"v2.56.1",
"v2.56.0",
"v2.55.0",
"v2.54.0",
"v2.53.0",
"v2.52.0",
"v2.51.0",
"v2.50.0",
"v2.49.0",
"v2.48.1",
"v2.48.0",
"v2.47.0",
"v2.46.1",
"v2.46.0",
"v2.45.0",
"v2.44.3",
"v2.44.1",
"v2.44.0",
"v2.43.0",
"v2.42.0",
"v2.41.0",
"v2.40.1",
"v2.40.0",
"v2.39.0",
"v2.38.0",
"v2.37.0",
"v2.36.0",
"v2.35.0",
"v2.34.0",
"v2.33.0",
"v2.32.0",
"v2.31.0",
"v2.30.0",
"v2.29.0",
"v2.28.0",
"v2.27.0",
"v2.26.1",
"v2.26.0",
"v2.25.0",
"v2.24.0",
"v2.23.1",
"v2.23.0",
"v2.22.0",
"v2.21.3",
"v2.21.2",
"v2.21.1",
"v2.21.0",
"v2.20.0",
"v2.19.1",
"v2.19.0",
"v2.18.0",
"v2.17.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-73221.json"
}
}
],
"modified": "2026-10-28T02:30:49.445228439Z",
"provider": "osv",
"references": [
"https://github.com/cvat-ai/cvat/releases/tag/v2.72.0",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73221.json",
"https://github.com/cvat-ai/cvat/security/advisories/GHSA-m7p7-6w4m-886p",
"https://nvd.nist.gov/vuln/detail/CVE-2026-73221",
"https://github.com/cvat-ai/cvat/commit/20a1076a0b9de47e067b121e40f16d66d373b3f7",
"https://github.com/cvat-ai/cvat/pull/10964"
],
"provider_metadata": {
"cwe_ids": [
"CWE-863"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73221.json"
}
},
"related_cves": [
{
"value": "CVE-2026-73221",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 518042,
"published_at": "2026-08-11T18:22:10.737+00:00"
}