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Medium

Password Pusher's rate limiter can be bypassed by forging proxy headers

Type: advisorySources: OSV

Password Pusher, an open source application to communicate sensitive information over the web, comes with a configurable rate limiter. In versions prior to v1.49.0, the rate limiter could be bypassed by forging proxy headers allowing bad actors to send unlimited traffic to the site potentially causing a denial of service. In v1.49.0, a fix was implemented to only authorize proxies on local IPs which resolves this issue. As a workaround, one may add rules to one's proxy and/or firewall to not accept external proxy headers such as `X-Forwarded-*` from clients.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2024-52796
Confirmed fixed CVEs
Not specified
Updated in this feed
7 Nov 2026, 19:45 UTC · Revision 1

Source evidence

Password Pusher's rate limiter can be bypassed by forging proxy headers

core-osv · Original source

Published 20 Nov 2024, 16:15 UTC

Password Pusher, an open source application to communicate sensitive information over the web, comes with a configurable rate limiter. In versions prior to v1.49.0, the rate limiter could be bypassed by forging proxy headers allowing bad actors to send unlimited traffic to the site potentially causing a denial of service. In v1.49.0, a fix was implemented to only authorize proxies on local IPs which resolves this issue. As a workaround, one may add rules to one's proxy and/or firewall to not accept external proxy headers such as `X-Forwarded-*` from clients.

osv:CVE-2024-52796
Complete source record
{
  "id": "8a3ff5d4e1f4141d7fb7af0265bf6bfd7f24cf1ffd0537d93e16fb416ac5e3cc",
  "url": "https://osv.dev/vulnerability/CVE-2024-52796",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Password Pusher's rate limiter can be bypassed by forging proxy headers",
    "summary": "Password Pusher, an open source application to communicate sensitive information over the web, comes with a configurable rate limiter. In versions prior to v1.49.0, the rate limiter could be bypassed by forging proxy headers allowing bad actors to send unlimited traffic to the site potentially causing a denial of service. In v1.49.0, a fix was implemented to only authorize proxies on local IPs which resolves this issue. As a workaround, one may add rules to one's proxy and/or firewall to not accept external proxy headers such as `X-Forwarded-*` from clients.",
    "evidence": "osv:CVE-2024-52796",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-52796",
      "aliases": [
        "CVE-2024-52796",
        "GHSA-ffp2-8p2h-4m5j"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pglombardo/passwordpusher",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "97d28d380d125395cbcd97a5f409cfc28ecb0c1a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.49.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "97d28d380d125395cbcd97a5f409cfc28ecb0c1a"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.49.0"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.49.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-52796.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.714044711Z",
      "provider": "osv",
      "references": [
        "https://docs.pwpush.com/docs/proxies/#trusted-proxies",
        "https://github.com/pglombardo/PasswordPusher/releases/tag/v1.49.0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/52xxx/CVE-2024-52796.json",
        "https://github.com/pglombardo/PasswordPusher/security/advisories/GHSA-ffp2-8p2h-4m5j",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-52796"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-770"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/52xxx/CVE-2024-52796.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-52796",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 520247,
  "published_at": "2024-11-20T16:15:19.478+00:00"
}