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CVE-2026-61570— MPXJ: XXE Vulnerability in MerlinReader

Quick assessment

Affected
joniles mpxj
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 proj

CVSS 7.5 · High
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I. Basic Information for CVE-2026-61570

Vulnerability Information

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Vulnerability Title
MPXJ: XXE Vulnerability in MerlinReader
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
joniles mpxj >= 5.5.5, < 16.4.1 -

II. Public POCs for CVE-2026-61570

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III. Intelligence Information for CVE-2026-61570

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Other References for CVE-2026-61570 (3)

IV. Related Vulnerabilities

Same product: mpxj
Same vendor: joniles
Same weakness: CWE-611

V. Comments for CVE-2026-61570

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