XML External Entity (XXE) vulnerability resulting in Server-Side Request Forgery (SSRF)

published 2026-02-27 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-9015

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

An XML External Entity (XXE) vulnerability allows malicious user to perform Server-Side Request Forgery (SSRF) via crafted XML input containing malicious external entity references.

This issue affects Xerox FreeFlow Core versions up to and including 8.0.7.

Please consider upgrading to FreeFlow Core version 8.1.0 via the software available on - https://www.support.xerox.com/en-us/product/core/downloads

Patch / fix

fixed in 1

xerox freeflow_core 8.1.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-03-03)

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Xerox FreeFlow Core

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference
CWE-918 Server-Side Request Forgery

References

securitydocs.business.xerox.com /wp-content/uploads/2026/02/Xerox-Security-Bulletin-026-005-for-Xerox-Freeflow-Core.pdf
vendor-advisory

Sources

CVE List CVE-2026-2252
NVD CVE-2026-2252

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary