heym before 0.0.105 SSRF via credential-controlled base URLs

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-100861",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-09-27T01:28:51.256Z",
    "dateReserved": "2026-09-27T00:20:03.854Z",
    "datePublished": "2026-09-27T01:28:51.256Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck",
        "dateUpdated": "2026-09-27T01:28:51.256Z"
      },
      "datePublic": "2026-09-03T00:00:00.000Z",
      "title": "heym before 0.0.105 SSRF via credential-controlled base URLs",
      "descriptions": [
        {
          "lang": "en",
          "value": "heym before 0.0.105 fails to apply egress guards to integration services that use credential-supplied base URLs, allowing authenticated users to bypass SSRF protections. Attackers can configure credentials pointing to loopback, private, or cloud-metadata addresses and read internal service responses returned as workflow node output."
        }
      ],
      "affected": [
        {
          "vendor": "heymrun",
          "product": "heym",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "0.0.105"
            },
            {
              "version": "0.0.105",
              "status": "unaffected",
              "versionType": "semver"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Server-Side Request Forgery (SSRF)",
              "cweId": "CWE-918",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/heymrun/heym/security/advisories/GHSA-xchj-mw74-2232",
          "name": "GitHub Security Advisory (GHSA-xchj-mw74-2232)",
          "tags": [
            "vendor-advisory"
          ]
        },
        {
          "url": "https://www.vulncheck.com/advisories/heym-before-0.0.105-ssrf-via-credential-controlled-base-urls",
          "name": "VulnCheck Advisory: heym before 0.0.105 SSRF via credential-controlled base URLs",
          "tags": [
            "third-party-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS"
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "LOW",
            "userInteraction": "NONE",
            "scope": "CHANGED",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "fatihkaratash",
          "type": "reporter"
        },
        {
          "lang": "en",
          "value": "mbakgun",
          "type": "finder"
        }
      ]
    }
  }
}