{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "00d1372510f915f843b1574a3f1b28fbb724a42e"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "00d1372510f915f843b1574a3f1b28fbb724a42e"
            }
          ],
          "repo": "https://github.com/pyload/pyload",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-r44w-v6gf-x3p6"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-287"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123816.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "range": [
              {
                "fixed": "0.5.0b3.dev101"
              }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
          }
        ]
      },
      {
        "extracted_events": [
          {
            "range": [
              {
                "fixed": "0.5.0b3.dev101"
              },
              {
                "fixed": "0.5.0b3.dev101"
              }
            ],
            "source": "DESCRIPTION"
          }
        ]
      }
    ]
  },
  "details": "pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev101, Api.check_apikey caches successful validation in self._apikey_cache using only the attacker-controlled key_id. After a legitimate key populates the cache, a forged API key with the same key_id reaches the cache-hit path without comparing apikey[-43:] to the stored hash through hmac.compare_digest. Key identifiers are small sequential integers, so an unauthenticated remote attacker can enumerate an active identifier and inherit the cached key owner's permissions during the 300-second cache lifetime. This issue is fixed in version 0.5.0b3.dev101.",
  "id": "CVE-2026-123816",
  "modified": "2026-11-11T02:30:53.675490638Z",
  "published": "2026-11-09T21:15:48.314Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123816.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/pyload/pyload/security/advisories/GHSA-r44w-v6gf-x3p6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123816"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pyload/pyload/commit/00d1372510f915f843b1574a3f1b28fbb724a42e"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pyLoad: Authentication bypass in API key validation (check_apikey cache)"
}