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OAuth2 authorization codes are valid indefinetly in Nextcloud server

Type: advisorySources: OSV

Nextcloud server is a self hosted personal cloud system. In affected versions OAuth codes did not expire. When an attacker would get access to an authorization code they could authenticate at any time using the code. As of version 28.0.0 OAuth codes are invalidated after 10 minutes and will no longer be authenticated. To exploit this vulnerability an attacker would need to intercept an OAuth code from a user session. It is recommended that the Nextcloud Server is upgraded to 28.0.0. There are no known workarounds for this vulnerability.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2024-22403
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 18:34 UTC · Revision 1

Source evidence

OAuth2 authorization codes are valid indefinetly in Nextcloud server

core-osv · Original source

Published 18 Jan 2024, 20:03 UTC

Nextcloud server is a self hosted personal cloud system. In affected versions OAuth codes did not expire. When an attacker would get access to an authorization code they could authenticate at any time using the code. As of version 28.0.0 OAuth codes are invalidated after 10 minutes and will no longer be authenticated. To exploit this vulnerability an attacker would need to intercept an OAuth code from a user session. It is recommended that the Nextcloud Server is upgraded to 28.0.0. There are no known workarounds for this vulnerability.

osv:CVE-2024-22403
Complete source record
{
  "id": "0232cb27d8e5507414331e21c7cfac8f30bdc5f03f4ff766618dce3fee614224",
  "url": "https://osv.dev/vulnerability/CVE-2024-22403",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OAuth2 authorization codes are valid indefinetly in Nextcloud server",
    "summary": "Nextcloud server is a self hosted personal cloud system. In affected versions OAuth codes did not expire. When an attacker would get access to an authorization code they could authenticate at any time using the code. As of version 28.0.0 OAuth codes are invalidated after 10 minutes and will no longer be authenticated. To exploit this vulnerability an attacker would need to intercept an OAuth code from a user session. It is recommended that the Nextcloud Server is upgraded to 28.0.0. There are no known workarounds for this vulnerability.",
    "evidence": "osv:CVE-2024-22403",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2024-22403",
      "aliases": [
        "CVE-2024-22403",
        "GHSA-wppc-f5g8-vx36"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nextcloud/server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e15fcecaf0d382cebff924ec2b1f5319e130c0e8"
                }
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              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "28.0.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "28.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v28.0.0rc4",
            "v28.0.0rc3",
            "v28.0.0rc2",
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-22403.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.552087268Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/1784162",
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S6PN4GVJ5TZUC6WSG4X3ZA3AMPBEKNAX/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/22xxx/CVE-2024-22403.json",
        "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wppc-f5g8-vx36",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-22403",
        "https://github.com/nextcloud/server/pull/40766"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-613"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/22xxx/CVE-2024-22403.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-22403",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488603,
  "published_at": "2024-01-18T20:03:30.623+00:00"
}