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    2 vulnerabilities found for BillionMail by aaPanel

    CVE-2026-111367 (GCVE-0-2026-111367)

    Vulnerability from nvd – Published: 2026-10-15 21:43 – Updated: 2026-10-15 21:43
    VLAI
    Title
    BillionMail through 4.9 Forgeable JWTs via Default Signing Key
    Summary
    BillionMail through 4.9 contains a hard-coded cryptographic key vulnerability that allows unauthenticated attackers to forge unsubscribe and subscribe-confirm JWTs by computing the key from shipped configuration constants. Attackers can submit forged tokens to /api/unsubscribe, /api/unsubscribe_new, or /api/subscribe/confirm to deactivate any contact or force confirmed subscriptions.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
    CWE
    • CWE-1394 - Use of Default Cryptographic Key
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6249 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    aaPanel BillionMail Affected: 0 , ≤ 4.9 (custom)
    		Create a notification for this product.
    Date Public
    2026-10-15 00:00
    Credits
    hieuPenguinnn
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/aaPanel/BillionMail",
          "product": "BillionMail",
          "repo": "https://github.com/aaPanel/BillionMail",
          "vendor": "aaPanel",
          "versions": [
            {
              "lessThanOrEqual": "4.9",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "hieuPenguinnn"
        }
      ],
      "datePublic": "2026-10-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "BillionMail through 4.9 contains a hard-coded cryptographic key vulnerability that allows unauthenticated attackers to forge unsubscribe and subscribe-confirm JWTs by computing the key from shipped configuration constants. Attackers can submit forged tokens to /api/unsubscribe, /api/unsubscribe_new, or /api/subscribe/confirm to deactivate any contact or force confirmed subscriptions."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1394",
              "description": "Use of Default Cryptographic Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-15T21:43:50.886Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@hieuPenguinnn/billionmail-unsubscribe-subscribe-jwt-deterministic-secret-forgery"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/aaPanel/BillionMail/blob/v4.9/core/internal/service/batch_mail/jwt.go#L98-L123"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/aaPanel/BillionMail/blob/v4.9/core/manifest/config/config.yaml"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/aaPanel/BillionMail"
        },
        {
          "name": "VulnCheck Advisory: BillionMail through 4.9 Forgeable JWTs via Default Signing Key",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/billionmail-through-4.9-forgeable-jwts-via-default-signing-key"
        }
      ],
      "title": "BillionMail through 4.9 Forgeable JWTs via Default Signing Key",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-111367",
    "datePublished": "2026-10-15T21:43:50.886Z",
    "dateReserved": "2026-10-15T21:21:22.403Z",
    "dateUpdated": "2026-10-15T21:43:50.886Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-111367 (GCVE-0-2026-111367)

    Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-15 21:43
    VLAI
    Title
    BillionMail through 4.9 Forgeable JWTs via Default Signing Key
    Summary
    BillionMail through 4.9 contains a hard-coded cryptographic key vulnerability that allows unauthenticated attackers to forge unsubscribe and subscribe-confirm JWTs by computing the key from shipped configuration constants. Attackers can submit forged tokens to /api/unsubscribe, /api/unsubscribe_new, or /api/subscribe/confirm to deactivate any contact or force confirmed subscriptions.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
    CWE
    • CWE-1394 - Use of Default Cryptographic Key
    Assigner
    VulnCheck CNA under the mitre root
    CNA scorecard B 84/100 over 6249 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    aaPanel BillionMail Affected: 0 , ≤ 4.9 (custom)
    		Create a notification for this product.
    Date Public
    2026-10-15 00:00
    Credits
    hieuPenguinnn
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/aaPanel/BillionMail",
          "product": "BillionMail",
          "repo": "https://github.com/aaPanel/BillionMail",
          "vendor": "aaPanel",
          "versions": [
            {
              "lessThanOrEqual": "4.9",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "hieuPenguinnn"
        }
      ],
      "datePublic": "2026-10-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "BillionMail through 4.9 contains a hard-coded cryptographic key vulnerability that allows unauthenticated attackers to forge unsubscribe and subscribe-confirm JWTs by computing the key from shipped configuration constants. Attackers can submit forged tokens to /api/unsubscribe, /api/unsubscribe_new, or /api/subscribe/confirm to deactivate any contact or force confirmed subscriptions."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1394",
              "description": "Use of Default Cryptographic Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-15T21:43:50.886Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://hackmd.io/@hieuPenguinnn/billionmail-unsubscribe-subscribe-jwt-deterministic-secret-forgery"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/aaPanel/BillionMail/blob/v4.9/core/internal/service/batch_mail/jwt.go#L98-L123"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/aaPanel/BillionMail/blob/v4.9/core/manifest/config/config.yaml"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/aaPanel/BillionMail"
        },
        {
          "name": "VulnCheck Advisory: BillionMail through 4.9 Forgeable JWTs via Default Signing Key",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/billionmail-through-4.9-forgeable-jwts-via-default-signing-key"
        }
      ],
      "title": "BillionMail through 4.9 Forgeable JWTs via Default Signing Key",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-111367",
    "datePublished": "2026-10-15T21:43:50.886Z",
    "dateReserved": "2026-10-15T21:21:22.403Z",
    "dateUpdated": "2026-10-15T21:43:50.886Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}