CVE-2026-61570

Description

MPXJ is an open source library to read and write project plans from a variety of file formats and databases. From 5.5.5 until 16.4.1, MerlinReader creates a DocumentBuilder with default settings while parsing XML from the ZTIMEINTERVALS column of a Merlin project SQLite database, leaving doctype declarations and external entities enabled. A crafted database can cause the parser to read an arbitrary local file, although MPXJ's subsequent handling of the parsed XML makes disclosure of the file contents unlikely. This issue is fixed in version 16.4.1.

Overview

State: PUBLISHED
Assigner (CNA): GitHub_M
CVSS severity: HIGH
CVSS score: 7.5 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Effective score: 7.5 / 10 HIGH source: CNA overview
CWE(s): CWE-611
Reserved: 2026-07-10
Published: 2026-09-22 19:56 UTC
Last updated: 2026-09-22 19:56 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/61xxx/CVE-2026-61570.json
Linked Threat: CVE-2026-61570 — MPXJ: XXE Vulnerability in MerlinReader

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-22 20:17:04 UTC
NVD last modified: 2026-09-22 20:17:04 UTC
NVD CVSS v3.1: 7.5 / 10 HIGH source: security-advisories@github.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability subscore: 3.9 / 10
Impact subscore: 3.6 / 10

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-84820
Assigner: GitHub_M
Published: Sep 22, 2026, 7:56:08 PM
Updated: Sep 22, 2026, 7:56:08 PM
EUVD base score (CVSS 3.1): 7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EUVD-reported EPSS: 0.0000
Vendors: joniles
Products: mpxj (5.5.5, < 16.4.1)
Aliases: GHSA-5vvx-3h34-f3gj

ENISA description: MPXJ is an open source library to read and write project plans from a variety of file formats and databases. From 5.5.5 until 16.4.1, MerlinReader creates a DocumentBuilder with default settings while parsing XML from the ZTIMEINTERVALS column of a Merlin project SQLite database, leaving doctype declarations and external entities enabled. A crafted database can cause the parser to read an arbitrary local file, although MPXJ's subsequent handling of the parsed XML makes disclosure of the file contents unlikely. This issue is fixed in version 16.4.1.

EUVD references (3)

Affected products (1)

Vendor	Product	Versions	Platforms
joniles	mpxj	`>= 5.5.5, < 16.4.1` (affected)	—

Vendor references (3)

References embedded in the original CVE record by the assigning CNA.

https://github.com/joniles/mpxj/security/advisories/GHSA-5vvx-3h34-f3gj x_refsource_CONFIRM
https://github.com/joniles/mpxj/commit/6e8288bc4d1cd62842af298004dc74fe66fb0805 x_refsource_MISC
https://github.com/joniles/mpxj/releases/tag/v16.4.1 x_refsource_MISC

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (3)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://github.com/joniles/mpxj/commit/6e8288bc4d1cd62842af298004dc74fe66fb0805 security-advisories@github.com
https://github.com/joniles/mpxj/releases/tag/v16.4.1 security-advisories@github.com
https://github.com/joniles/mpxj/security/advisories/GHSA-5vvx-3h34-f3gj security-advisories@github.com

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CVE-2026-61570 - Red Hat Customer Portal

web:access.redhat.com

Description A flaw was found in MPXJ. The MerlinReader component, when processing XML from a Merlin project SQLite database, is vulnerable to an XML External Entity (XXE) attack due to default settings that enable doctype declarations and external entities. A remote attacker could exploit this by providing a specially crafted database, which would cause the parser to read arbitrary local files ...

2026-09-23 15:18 UTC
Microsoft and Adobe Patch Tuesday, July 2026 Security Update Review

web:blog.qualys.com

Microsoft's July 2026 Patch Tuesday delivers security updates for a broad range of products and services, including several vulnerabilities that pose significant risks to enterprise environments.

2026-09-23 15:18 UTC
CVE-2026-61570: Joniles Mpxj Vulnerability (CVSS 7.5) | CVETodo

web:cvetodo.com

CVE-2026-61570 is a CVSS 7.5 high-severity vulnerability in Joniles Mpxj. Includes technical details, affected versions, and mitigation steps.

2026-09-23 15:18 UTC
Cisco Advance Notification for Publication of September 16, 2026 ...

web:sec.cloudapps.cisco.com

On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

2026-09-23 15:18 UTC
Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva

web:senserva.com

Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

2026-09-23 15:18 UTC
Description of the security update for Office 2016: August 11, 2026 ...

web:support.microsoft.com

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...

2026-09-23 15:18 UTC
SAP Security Patch Day - April 2026

web:support.sap.com

SAP security patch day bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 14 th of April 2026 , SAP security patch day saw the release of 19 new security notes. There is 1 update to previously ...

2026-09-23 15:18 UTC
August 2026 CVE Advisory Notification - Security

web:support.servicenow.com

Due to additional analysis provided by the security researcher who discovered CVE - 2026 -6876, we have upgraded the severity rating of CVE - 2026 -6876 from High to Critical. This change affects only the severity

2026-09-23 15:18 UTC
What Is CVE Remediation in 2026? - aikido.dev

web:www.aikido.dev

None of these is a clean fix , which is why the decision on how to remediate depends on knowing what package versions are running in production and why. This post will cover how AI has accelerated CVE detection and discovery, the upgrade trap, what CVE remediation actually involves in 2026 , and how to solve the CVE remediation problem.

2026-09-23 15:18 UTC
Oracle Critical Patch Update Advisory - July 2026

web:www.oracle.com

This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

2026-09-23 15:18 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-61570.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "mpxj",
          "vendor": "joniles",
          "versions": [
            {
              "status": "affected",
              "version": ">= 5.5.5, < 16.4.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "MPXJ is an open source library to read and write project plans from a variety of file formats and databases. From 5.5.5 until 16.4.1, MerlinReader creates a DocumentBuilder with default settings while parsing XML from the ZTIMEINTERVALS column of a Merlin project SQLite database, leaving doctype declarations and external entities enabled. A crafted database can cause the parser to read an arbitrary local file, although MPXJ's subsequent handling of the parsed XML makes disclosure of the file contents unlikely. This issue is fixed in version 16.4.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-611",
              "description": "CWE-611: Improper Restriction of XML External Entity Reference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-22T19:56:08.061Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/joniles/mpxj/security/advisories/GHSA-5vvx-3h34-f3gj",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/joniles/mpxj/security/advisories/GHSA-5vvx-3h34-f3gj"
        },
        {
          "name": "https://github.com/joniles/mpxj/commit/6e8288bc4d1cd62842af298004dc74fe66fb0805",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/joniles/mpxj/commit/6e8288bc4d1cd62842af298004dc74fe66fb0805"
        },
        {
          "name": "https://github.com/joniles/mpxj/releases/tag/v16.4.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/joniles/mpxj/releases/tag/v16.4.1"
        }
      ],
      "source": {
        "advisory": "GHSA-5vvx-3h34-f3gj",
        "discovery": "UNKNOWN"
      },
      "title": "MPXJ: XXE Vulnerability in MerlinReader"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-61570",
    "datePublished": "2026-09-22T19:56:08.061Z",
    "dateReserved": "2026-07-10T16:48:39.924Z",
    "dateUpdated": "2026-09-22T19:56:08.061Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}