{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Papercut MF toutes versions ant\u00e9rieures \u00e0 24, 25 ou 26 sans le correctif de s\u00e9curit\u00e9 temporaire",
      "product": {
        "name": "Papercut",
        "vendor": {
          "name": "Papercut",
          "scada": false
        }
      }
    },
    {
      "description": "Papercut NG toutes versions ant\u00e9rieures \u00e0 24, 25 ou 26 sans le correctif de s\u00e9curit\u00e9 temporaire",
      "product": {
        "name": "Papercut",
        "vendor": {
          "name": "Papercut",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-82078",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-82078"
    },
    {
      "name": "CVE-2026-81578",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-81578"
    }
  ],
  "initial_release_date": "2026-08-28T00:00:00",
  "last_revision_date": "2026-08-28T00:00:00",
  "links": [
    {
      "title": "Billet de blogue Rapid7 du 28 ao\u00fbt 2026",
      "url": "https://www.rapid7.com/blog/post/etr-papercut-ng-mf-critical-zero-day-exploited-in-the-wild/"
    }
  ],
  "reference": "CERTFR-2026-AVI-1095",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-08-28T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Papercut. Elles permettent \u00e0 un attaquant de contourner l\u0027authentification et d\u0027ex\u00e9cuter du code arbitraire \u00e0 distance.\n\nPapercut indique que ces vuln\u00e9rabilit\u00e9s sont activement exploit\u00e9es.\n\nL\u0027\u00e9diteur explique que le correctif bloque les requ\u00eates SQL qui contiennent les instructions EXEC, EXECUTE ou CALL pour des recherches Card/ID number depuis une base de donn\u00e9e externe.\n\nLe CERT-FR recommande donc fortement l\u0027application des correctifs dans les plus brefs d\u00e9lais.\n\n## Mesure de contournement\n\nPapercut recommande de restreindre l\u0027acc\u00e8s au serveur applicatif \u00e0 des adresses IP dites de confiance, notamment par des r\u00e8gles de pare-feu.\n\n## Indicateurs de compromission\n\nL\u0027\u00e9diteur pr\u00e9conise de :\n* surveiller toute alerte en provenance d\u0027outils de s\u00e9curit\u00e9 concernant le serveur applicatif Papercut et plus particuli\u00e8rement toute activit\u00e9 anormale de la part de *pc-app.exe* ;\n* relever des fichiers *server.log* de Papercut manquants, tronqu\u00e9s ou supprim\u00e9s ; \n* rechercher la pr\u00e9sence des motifs \u003ccode\u003eERROR No suitable driver found for jdbc:no:x\u003c/code\u003e ou \u003ccode\u003eERROR DatabaseUtils - Database error looking up cardID: VALUES CAST\u003c/code\u003e dans *server.log*.\n\nPapercut pr\u00e9cise que la seule absence de ces indicateurs ne permet pas de d\u00e9duire que les vuln\u00e9rabilit\u00e9s n\u0027ont pas \u00e9t\u00e9 exploit\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Papercut",
  "vendor_advisories": [
    {
      "published_at": "2026-08-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Papercut security-bulletin-27-aug-2026-urgent-security-advisory",
      "url": "https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory/"
    }
  ]
}

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "PaperCut MF/NG",
          "vendor": "PaperCut",
          "versions": [
            {
              "lessThan": "24.1.10, 25.0.13, 26.0.5",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "eb41dac7-0af8-4f84-9f6d-0272772514f4"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An unsafe dynamic class loading vulnerability exists in the database connection utilities of PaperCut MF and PaperCut NG. The application instantiates database driver classes based on configurable driver names without validating against an allowlist of approved drivers. If an attacker can manipulate system configuration parameters, this enables the execution of arbitrary Java bytecode residing on the application classpath under the security context of the PaperCut server process."
    }
  ],
  "id": "CVE-2026-82078",
  "lastModified": "2026-08-29T04:18:08.953",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.4,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "eb41dac7-0af8-4f84-9f6d-0272772514f4",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-82078",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-28T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-28T16:18:31.240",
  "references": [
    {
      "source": "eb41dac7-0af8-4f84-9f6d-0272772514f4",
      "url": "https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory/"
    }
  ],
  "sourceIdentifier": "eb41dac7-0af8-4f84-9f6d-0272772514f4",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-470"
        }
      ],
      "source": "eb41dac7-0af8-4f84-9f6d-0272772514f4",
      "type": "Secondary"
    }
  ]
}

{
  "affected": [],
  "aliases": [
    "CVE-2026-82078"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-470"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T16:18:31Z",
    "severity": "CRITICAL"
  },
  "details": "An unsafe dynamic class loading vulnerability exists in the database connection utilities of PaperCut MF and PaperCut NG. The application instantiates database driver classes based on configurable driver names without validating against an allowlist of approved drivers. If an attacker can manipulate system configuration parameters, this enables the execution of arbitrary Java bytecode residing on the application classpath under the security context of the PaperCut server process.",
  "id": "GHSA-mjg5-wj9r-9mfx",
  "modified": "2026-08-28T18:31:30Z",
  "published": "2026-08-28T18:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82078"
    },
    {
      "type": "WEB",
      "url": "https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "nl",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n    NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n    NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n    This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
      },
      {
        "category": "description",
        "text": "PaperCut heeft kwetsbaarheden verholpen in PaperCut MF en PaperCut NG.",
        "title": "Feiten"
      },
      {
        "category": "description",
        "text": "Een ongeauthenticeerde kwaadwillende kan de kwetsbaarheden mogelijk achtereenvolgens misbruiken om een PaperCut-omgeving over te nemen en hierop willekeurige code uit te voeren. Hiertoe dient de kwaadwillende malafide netwerkverkeer naar de kwetsbare PaperCut-omgeving te sturen.",
        "title": "Interpretaties"
      },
      {
        "category": "description",
        "text": "PaperCut heeft updates uitgebracht om de kwetsbaarheden te verhelpen. Lees de securitybulletin van PaperCut voor meer informatie.\n\nOmdat de kwetsbaarheid al werd misbruikt voordat beveiligingsupdates beschikbaar waren, is het verstandig om je PaperCut-omgeving te controleren op aanwezigheid van de indicators-of-compromise (IOC\u0027s) die PaperCut in het securitybulletin heeft gedeeld.\n\nHet NCSC adviseert organisaties met PaperCut-omgevingen die vanaf het internet bereikbaar waren met klem om deze omgavingen op aanwezigheid van de IOC\u0027s te controleren.",
        "title": "Oplossingen"
      },
      {
        "category": "general",
        "text": "medium",
        "title": "Kans"
      },
      {
        "category": "general",
        "text": "high",
        "title": "Schade"
      },
      {
        "category": "general",
        "text": "Use of Externally-Controlled Input to Select Classes or Code (\u0027Unsafe Reflection\u0027)",
        "title": "CWE-470"
      },
      {
        "category": "general",
        "text": "Missing Authentication for Critical Function",
        "title": "CWE-306"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "cert@ncsc.nl",
      "name": "Nationaal Cyber Security Centrum",
      "namespace": "https://www.ncsc.nl/"
    },
    "references": [
      {
        "category": "external",
        "summary": "Reference",
        "url": "https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory/"
      }
    ],
    "title": "Kwetsbaarheden verholpen in PaperCut MF en PaperCut NG van PaperCut",
    "tracking": {
      "current_release_date": "2026-08-28T12:31:14.173572Z",
      "generator": {
        "date": "2025-08-04T16:30:00Z",
        "engine": {
          "name": "V.A.",
          "version": "1.3"
        }
      },
      "id": "NCSC-2026-0334",
      "initial_release_date": "2026-08-28T12:31:14.173572Z",
      "revision_history": [
        {
          "date": "2026-08-28T12:31:14.173572Z",
          "number": "1.0.0",
          "summary": "Initiele versie"
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:unknown/*",
                "product": {
                  "name": "vers:unknown/*",
                  "product_id": "CSAFPID-1"
                }
              }
            ],
            "category": "product_name",
            "name": "PaperCut"
          }
        ],
        "category": "vendor",
        "name": "PaperCut"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-82078",
      "notes": [
        {
          "category": "description",
          "text": "PaperCut MF and PaperCut NG contain a vulnerability in their database connection utilities that permits unsafe dynamic class loading, allowing attackers with configuration access to execute arbitrary Java bytecode within the server\u0027s security context.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-82078 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-82078.json"
        }
      ],
      "title": "CVE-2026-82078"
    },
    {
      "cve": "CVE-2026-81578",
      "notes": [
        {
          "category": "description",
          "text": "An improper access control vulnerability in PaperCut MF and PaperCut NG\u0027s web management interface allows unauthenticated remote attackers to modify system configurations by executing backend actions prior to access validation.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-81578 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-81578.json"
        }
      ],
      "title": "CVE-2026-81578"
    }
  ]
}