OpenLearnX: Critical Authentication Bypass via JWT Signature Verification Disabled Leading to Account Takeover

{
  "id": "dfcad738953cb65e24a7a92302328cde7a08fec690519b645e3ed24ec354779e",
  "url": "https://osv.dev/vulnerability/CVE-2026-44720",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenLearnX: Critical Authentication Bypass via JWT Signature Verification Disabled Leading to Account Takeover",
    "summary": "OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to 2.0.4, a critical authentication vulnerability was identified in OpenLearnX that could allow unauthorized access to user accounts under specific conditions. This vulnerability is fixed in 2.0.4.",
    "evidence": "osv:CVE-2026-44720",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-44720",
      "aliases": [
        "CVE-2026-44720",
        "GHSA-223g-f5mq-gw33"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/th30d4y/openlearnx",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "169215d0550257f1abb9291493504d6b10167dfe"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.0.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.0.4"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.0.3-security-fix",
            "2.0.2",
            "v2026.04.19-openlearnx-today",
            "v2.0.1",
            "1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44720.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.019660060Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44720.json",
        "https://github.com/th30d4y/OpenLearnX/security/advisories/GHSA-223g-f5mq-gw33",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-44720"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-287",
          "CWE-347"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44720.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-44720",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494712,
  "published_at": "2026-05-27T21:02:29.706+00:00"
}