Security advisory

{
  "id": "7b1990b0a3da806557d6737e20c965809ac0ac3d2911fd6cd16cadfe22e4e8ea",
  "url": "https://osv.dev/vulnerability/CVE-2025-55521",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-55521",
    "summary": "An issue in the component /settings/localisation of Akaunting v3.1.18 allows authenticated attackers to cause a Denial of Service (DoS) via a crafted POST request.",
    "evidence": "osv:CVE-2025-55521",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-55521",
      "aliases": [
        "CVE-2025-55521"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/akaunting/akaunting",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "7b1eaf30fc81ace5713b1fdeadb7769b15723bc0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:akaunting:akaunting:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.1.19"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.1.19",
            "3.1.18",
            "3.1.17",
            "3.1.16",
            "3.1.15",
            "3.1.14",
            "3.1.13",
            "3.1.11",
            "3.1.10",
            "3.1.9",
            "3.1.8",
            "3.1.7",
            "3.1.6",
            "3.1.5",
            "3.1.4",
            "3.1.3",
            "3.1.2",
            "3.1.1",
            "3.1.0",
            "3.0.17",
            "3.0.16",
            "3.0.12",
            "3.0.10",
            "3.0.9",
            "3.0.8",
            "3.0.7",
            "3.0.6",
            "3.0.5",
            "3.0.4",
            "3.0.3",
            "3.0.2",
            "3.0.1",
            "3.0.0",
            "2.1.35",
            "2.1.34",
            "2.1.33",
            "2.1.32",
            "2.1.31",
            "2.1.30",
            "2.1.29",
            "2.1.28",
            "2.1.27",
            "2.1.26",
            "2.1.24",
            "2.1.23",
            "2.1.22",
            "2.1.21",
            "2.1.20",
            "2.1.19",
            "2.1.18",
            "2.1.17",
            "2.1.16",
            "2.1.15",
            "2.1.14",
            "2.1.13",
            "2.1.12",
            "2.1.11",
            "2.1.10",
            "2.1.9",
            "2.1.8",
            "2.1.7",
            "2.1.6",
            "2.1.3",
            "2.1.2",
            "2.1.1",
            "2.0.26",
            "2.0.25",
            "2.0.24",
            "2.0.9",
            "2.0.8",
            "2.0.7",
            "2.0.5",
            "2.0.4",
            "2.0.3",
            "2.0.2",
            "2.0.0",
            "1.3.17",
            "1.3.16",
            "1.3.15",
            "1.3.14",
            "1.3.13",
            "1.3.12",
            "1.3.11",
            "1.3.10",
            "1.3.8",
            "1.3.7",
            "1.3.6",
            "1.3.5",
            "1.3.4",
            "1.2.16",
            "1.3.3",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.14",
            "1.2.13",
            "1.2.12",
            "1.2.11",
            "1.2.9",
            "1.2.8",
            "1.2.7",
            "1.2.6",
            "1.2.5",
            "1.2.4",
            "1.2.3",
            "1.2.1",
            "1.2.0",
            "1.1.15",
            "1.1.14",
            "1.1.13",
            "1.1.12",
            "1.1.11",
            "1.1.10",
            "1.1.9",
            "1.1.8",
            "1.1.7",
            "1.1.6",
            "1.1.5",
            "1.1.4",
            "1.1.3",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.12",
            "1.0.10",
            "1.0.9",
            "1.0.8",
            "1.0.7",
            "1.0.6",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55521.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.438225149Z",
      "provider": "osv",
      "references": [
        "https://github.com/vityuasd/VulList/blob/main/vul_2.md",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55521.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2021-36802",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-55521",
        "https://github.com/akaunting/akaunting"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55521.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-55521",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497001,
  "published_at": "2025-08-21T00:00:00+00:00"
}