CVE-2026-61570 MPXJ - XML External Entity Injection

MPXJ 5.5.5 to <16.4.1 contains an XML external entity injection caused by enabled doctype declarations and external entities in MerlinReader parsing ZTIMEINTERVALS column, letting attackers read arbitrary local files, exploit requires crafted database.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.35% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
XML External Entity Injection
Impact
File System Read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-611

Vendor fix

Update to version 16.4.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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