What is the CVSS score of CVE-2026-2252?

CVE-2026-2252 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-2252?

Within 24 hours: Identify all instances of Xerox FreeFlow Core in production and their version numbers; implement network segmentation to restrict outbound connections from affected systems. Within 7 days: Disable XML external entity processing if the feature is not business-critical; deploy WAF rules to block XXE payloads in XML input; establish enhanced monitoring for suspicious outbound connections. Within 30 days: Contact Xerox for patch availability and upgrade timeline; evaluate migration to alternative solutions if patch remains unavailable; conduct vulnerability scan of all systems that processed XML from untrusted sources.

Freeflow Core CVE-2026-2252

HIGH

Improper Restriction of XML External Entity Reference (CWE-611)

2026-02-27 10b61619-3869-496c-8a1e-f291b0e71e3f

SSRF XXE Freeflow Core Xerox

7.5

CVSS 3.1 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Craft malicious XML with external entity references
Delivery

Submit to FreeFlow Core XML parser
Exploit

Trigger XXE vulnerability
Execution

Perform SSRF to internal resources
Impact

Exfiltrate sensitive data

Vulnerability Assessment

Weakness	CWE CWE-611 OWASP Top 10:2025 A02:2025 - Security Misconfiguration ASVS 5.0 V13 - Configuration XML external entity prevention MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Exploitation Conditions	Xerox FreeFlow Core versions up to 8.0.7 must accept XML input from unauthenticated network users without XXE protections enabled; typically via document processing or API endpoints accepting XML submissions.
Impact	CVSS 7.5 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to perform Server-Side Request Forgery (SSRF) via crafted XML input containing mali.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Xerox FreeFlow Core versions through 8.0.7 contain an XML External Entity (XXE) vulnerability that allows unauthenticated remote attackers to conduct Server-Side Request Forgery attacks by submitting malicious XML input. This vulnerability could enable attackers to access internal resources or sensitive data on the affected system. A patch is currently unavailable, though Xerox recommends upgrading to version 8.1.0.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:55 CVSS 7.5

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. [CVSS 7.5 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-611 (Improper Restriction of XML External Entity Reference). Affects Freeflow Core. 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

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionCVE.org

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

Executive ViewAI

Why It Matters

Xerox FreeFlow Core versions up to 8.0.7 contain a critical vulnerability allowing attackers to perform server-side request forgery attacks through malicious XML input, potentially enabling unauthorized access to internal systems and data exfiltration. Organizations using affected versions face immediate risk of lateral movement and exposure of sensitive information accessible to the application.

Business Impact: High

Compensating Controls

Implement Web Application Firewall (WAF) rules to detect and block XXE payloads; disable XML external entity processing at the application configuration level; restrict outbound network access from Xerox FreeFlow Core servers to only approved destinations; implement input validation to reject XML containing DOCTYPE declarations or ENTITY definitions; apply network segmentation to limit lateral movement if compromise occurs; enable detailed logging and alerting for XML parsing errors and outbound connection attempts.

Threat Intelligence Overview

EPSS Score

0.1%

Top 84% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.