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HomeBox affected by Blind SSRF

Type: advisorySources: OSV

HomeBox is a home inventory and organization system. Prior to 0.24.0-rc.1, the notifier functionality allows authenticated users to specify arbitrary URLs to which the application sends HTTP POST requests. No validation or restriction is applied to the supplied host, IP address, or port. Although the application does not return the response body from the target service, its UI behavior differs depending on the network state of the destination. This creates a behavioral side-channel that enables internal service enumeration. This vulnerability is fixed in 0.24.0-rc.1.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-27600
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 07:19 UTC · Revision 1

Source evidence

HomeBox affected by Blind SSRF

core-osv · Original source

Published 3 Mar 2026, 22:23 UTC

HomeBox is a home inventory and organization system. Prior to 0.24.0-rc.1, the notifier functionality allows authenticated users to specify arbitrary URLs to which the application sends HTTP POST requests. No validation or restriction is applied to the supplied host, IP address, or port. Although the application does not return the response body from the target service, its UI behavior differs depending on the network state of the destination. This creates a behavioral side-channel that enables internal service enumeration. This vulnerability is fixed in 0.24.0-rc.1.

osv:CVE-2026-27600
Complete source record
{
  "id": "57084c2b1fed534e6a0730089d6a1a7ef06ed681e80a0b94dc3192e03dacb2a3",
  "url": "https://osv.dev/vulnerability/CVE-2026-27600",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "HomeBox affected by Blind SSRF",
    "summary": "HomeBox is a home inventory and organization system. Prior to 0.24.0-rc.1, the notifier functionality allows authenticated users to specify arbitrary URLs to which the application sends HTTP POST requests. No validation or restriction is applied to the supplied host, IP address, or port. Although the application does not return the response body from the target service, its UI behavior differs depending on the network state of the destination. This creates a behavioral side-channel that enables internal service enumeration. This vulnerability is fixed in 0.24.0-rc.1.",
    "evidence": "osv:CVE-2026-27600",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-27600",
      "aliases": [
        "CVE-2026-27600",
        "GHSA-cm7p-5mg5-82pm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sysadminsmedia/homebox",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e8779f903504efe121bd2d39d41298b590240ff0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.24.0-rc.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:sysadminsmedia:homebox:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.23.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.23.1",
            "v0.23.0",
            "v0.23.0-rc.1",
            "v0.22.3",
            "v0.22.2",
            "v0.22.1",
            "v0.22.0-rc.1",
            "v0.21.0",
            "v0.20.2",
            "v0.20.1",
            "v0.19.0",
            "v0.18.0",
            "v0.17.2",
            "v0.17.1",
            "v0.17.0",
            "v0.16.0",
            "v0.15.2",
            "v0.15.1",
            "v0.15.0",
            "v0.14.2",
            "v0.14.1",
            "v0.14.0",
            "v0.13.0",
            "v0.12.1",
            "v0.12.0",
            "v0.11.1",
            "v0.11.0",
            "v0.9.2",
            "v0.9.1",
            "v0.9.0",
            "v0.8.2",
            "v0.8.1",
            "v0.8.0",
            "v0.7.0",
            "v0.6.0",
            "v0.5.1",
            "v0.5.0",
            "v0.4.0",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27600.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.861996393Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27600.json",
        "https://github.com/sysadminsmedia/homebox/security/advisories/GHSA-cm7p-5mg5-82pm",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-27600"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27600.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-27600",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493354,
  "published_at": "2026-03-03T22:23:04.268+00:00"
}