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Medium

Hemmelig has SSRF Filter bypass in Secret Request functionality

Type: advisorySources: OSV

Hemmelig is a messing app with with client-side encryption and self-destructing messages. Prior to version 7.3.3, a Server-Side Request Forgery (SSRF) filter bypass vulnerability exists in the webhook URL validation of the Secret Requests feature. The application attempts to block internal/private IP addresses but can be bypassed using DNS rebinding or open redirect services. This allows an authenticated user to make the server initiate HTTP requests to internal network resources. Version 7.3.3 contains a patch for the issue.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2025-69206
Confirmed fixed CVEs
Not specified
Updated in this feed
7 Nov 2026, 02:41 UTC · Revision 1

Source evidence

Hemmelig has SSRF Filter bypass in Secret Request functionality

core-osv · Original source

Published 29 Dec 2025, 15:55 UTC

Hemmelig is a messing app with with client-side encryption and self-destructing messages. Prior to version 7.3.3, a Server-Side Request Forgery (SSRF) filter bypass vulnerability exists in the webhook URL validation of the Secret Requests feature. The application attempts to block internal/private IP addresses but can be bypassed using DNS rebinding or open redirect services. This allows an authenticated user to make the server initiate HTTP requests to internal network resources. Version 7.3.3 contains a patch for the issue.

osv:CVE-2025-69206
Complete source record
{
  "id": "c7ba88cce140de83cb7215ec17a2f0aaea4fc910eba99fac5ba7a4d368e6a687",
  "url": "https://osv.dev/vulnerability/CVE-2025-69206",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Hemmelig has SSRF Filter bypass in Secret Request functionality",
    "summary": "Hemmelig is a messing app with with client-side encryption and self-destructing messages. Prior to version 7.3.3, a Server-Side Request Forgery (SSRF) filter bypass vulnerability exists in the webhook URL validation of the Secret Requests feature. The application attempts to block internal/private IP addresses but can be bypassed using DNS rebinding or open redirect services. This allows an authenticated user to make the server initiate HTTP requests to internal network resources. Version 7.3.3 contains a patch for the issue.",
    "evidence": "osv:CVE-2025-69206",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-69206",
      "aliases": [
        "CVE-2025-69206",
        "GHSA-vvxf-wj5w-6gj5"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hemmeligorg/hemmelig.app",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6c909e571d0797ee3bbd2c72e4eb767b57378228"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "7.3.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6c909e571d0797ee3bbd2c72e4eb767b57378228"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "cpe": "cpe:2.3:a:hemmelig:hemmelig:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "7.3.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-69206.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.043590720Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/69xxx/CVE-2025-69206.json",
        "https://github.com/HemmeligOrg/Hemmelig.app/security/advisories/GHSA-vvxf-wj5w-6gj5",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-69206",
        "https://github.com/HemmeligOrg/Hemmelig.app/commit/6c909e571d0797ee3bbd2c72e4eb767b57378228"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/69xxx/CVE-2025-69206.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-69206",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517443,
  "published_at": "2025-12-29T15:55:12.761+00:00"
}