{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.3.2"
                  },
                  {
                    "fixed": "4.8.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "fixed": "6bac7e6bb18cb37c1d09f91306c1ffbdca00097c"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "original_tag": "v4.8.0",
                "range": [
                  {
                    "fixed": "bdee0e7250f7024ff9b4fcdcde71a9ef11a96b6d"
                  }
                ],
                "source": "REFERENCES_TAG"
              }
            ]
          },
          "events": [
            {
              "introduced": "2ad10e9a521096999a50c1ee051a141b18455767"
            },
            {
              "fixed": "bdee0e7250f7024ff9b4fcdcde71a9ef11a96b6d"
            },
            {
              "fixed": "6bac7e6bb18cb37c1d09f91306c1ffbdca00097c"
            }
          ],
          "repo": "https://github.com/diced/zipline",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-v938-v8wg-9497"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-348"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126934.json"
  },
  "details": "Zipline 4.3.2 before 4.8.0 contains a rate limit bypass vulnerability that allows unauthenticated attackers to evade throttling by spoofing X-Forwarded-For headers when core.trustProxy is enabled. Attackers can send a different X-Forwarded-For value per request to obtain fresh rate-limit buckets, enabling unlimited guessing of login passwords, TOTP codes, and file and URL passwords.",
  "id": "CVE-2026-126934",
  "modified": "2026-11-13T02:30:24.058970721Z",
  "published": "2026-11-11T22:53:19.421Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126934.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/diced/zipline/releases/tag/v4.8.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/diced/zipline/security/advisories/GHSA-v938-v8wg-9497"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126934"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/zipline-4.3.2-before-4.8.0-rate-limit-bypass-via-spoofed-x-forwarded-for"
    },
    {
      "type": "FIX",
      "url": "https://github.com/diced/zipline/commit/6bac7e6bb18cb37c1d09f91306c1ffbdca00097c"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/diced/zipline/blob/v4.7.0/src/server/index.ts#L58-L62"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/diced/zipline/blob/v4.7.0/src/server/startup/plugins.ts#L70-L73"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Zipline 4.3.2 before 4.8.0 Rate Limit Bypass via Spoofed X-Forwarded-For"
}