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jsbroks COCO Annotator Delete Category undo improper authorization

Type: advisorySources: OSV

A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-2109
Confirmed fixed CVEs
Not specified
Updated in this feed
7 Nov 2026, 03:13 UTC · Revision 1

Source evidence

jsbroks COCO Annotator Delete Category undo improper authorization

core-osv · Original source

Published 7 Feb 2026, 19:32 UTC

A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

osv:CVE-2026-2109
Complete source record
{
  "id": "5087582024e4e20f26b178a7ca29d363955f8f49107d9d9b52c934102a8cd18b",
  "url": "https://osv.dev/vulnerability/CVE-2026-2109",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "jsbroks COCO Annotator Delete Category undo improper authorization",
    "summary": "A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.",
    "evidence": "osv:CVE-2026-2109",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-2109",
      "aliases": [
        "CVE-2026-2109"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jsbroks/coco-annotator",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "2c7b11b998e0ad577753ffd6d046267ba3c1c5f6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jsbroks:coco_annotator:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.11.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.11.1",
            "v0.11.0",
            "v0.10.6",
            "v0.10.5",
            "v0.10.4",
            "v0.10.3",
            "v0.10.2",
            "v0.10.1",
            "v0.10.0",
            "v0.9.0",
            "v0.8.0",
            "v0.7.2",
            "v0.7.1",
            "v0.7.0",
            "v0.6.3",
            "v0.6.2",
            "v0.6.1",
            "v0.6.0",
            "v0.5.8",
            "v0.5.7",
            "v0.5.6",
            "v0.5.5",
            "v0.5.4",
            "v0.5.3",
            "v0.5.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2109.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.254565952Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2109.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-2109",
        "https://vuldb.com/?id.344685",
        "https://vuldb.com/?submit.745579",
        "https://vuldb.com/?ctiid.344685",
        "https://github.com/nmmorette/vulnerability-research/blob/main/BFLA%20COCO%20Annotator%20in%20DELETE%20api%20undo/BFLA%20COCO%20Annotator%20in%20DELETE%20api%20undo%202f1ef09b8736807aa1f7ede4b64fa35d.md"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-266",
          "CWE-285"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.11.0"
                  },
                  {
                    "last_affected": "0.11.0"
                  },
                  {
                    "introduced": "0.11.1"
                  },
                  {
                    "last_affected": "0.11.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2109.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-2109",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517659,
  "published_at": "2026-02-07T19:32:06.262+00:00"
}