Security advisory

{
  "id": "503d8d18ca8ee13f796b3af4c56516791110272f76759468c1d80d7b3ffbeac2",
  "url": "https://osv.dev/vulnerability/CVE-2023-48056",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-48056",
    "summary": "PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption. This vulnerability can lead to the disclosure of information and communications.",
    "evidence": "osv:CVE-2023-48056",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-48056",
      "aliases": [
        "CVE-2023-48056",
        "GHSA-fxff-wxxv-c2jc",
        "PYSEC-2023-245"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bandoche/pypinksign",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8287691045fd3c0889bddd83964c5c743b4bc277"
                },
                {
                  "last_affected": "8287691045fd3c0889bddd83964c5c743b4bc277"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bandoche:pypinksign:0.5.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.5.1"
                      },
                      {
                        "last_affected": "0.5.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.5.1",
            "v0.5.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-48056.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.467708121Z",
      "provider": "osv",
      "references": [
        "https://gxx777.github.io/PyPinkSign_v0.5.1_Cryptographic_API_Misuse_Vulnerability.md",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48056.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-48056"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48056.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-48056",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518051,
  "published_at": "2023-11-16T00:00:00+00:00"
}