CVE-2026-78224 XSLT Transformer Step - XML External Entity Injection

XSLT Transformer Step contains an XML External Entity (XXE) injection caused by insecure TransformerFactory configuration, letting attackers exfiltrate data and cause denial-of-service, exploit requires crafted XML input.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.44% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
XML External Entity Injection
Impact
Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-611

Vendor fix

Configure TransformerFactory with proper security options or update to a secure version.

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

← All CVEs