LiveActive security incident?Get immediate response
CVE Record

CVE-2026-2252: XML External Entity (XXE) vulnerability resulting in Server-Side Request Forgery (SSRF)

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

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-2252 is a high-severity flaw in Xerox FreeFlow Core. A remote attacker could send crafted XML that makes the server request internal or external resources, potentially exposing sensitive information. Xerox says versions up to and including 8.0.7 are affected and recommends upgrading to 8.1.0.

Executive priority

Prioritize remediation for any FreeFlow Core server reachable by untrusted users or networks. The vulnerability can expose confidential data without authentication, but provided sources do not confirm active exploitation. Upgrade planning should be prompt and tracked.

Technical view

The issue is an XML External Entity vulnerability leading to Server-Side Request Forgery. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, with high confidentiality impact and no stated integrity or availability impact. CWE mappings are CWE-611 and CWE-918.

Likely exposure

Organizations running Xerox FreeFlow Core 8.0.7 or earlier are the stated affected population. Exposure is most relevant where the application accepts XML input over reachable network paths. The source bundle does not state deployment defaults or internet exposure prevalence.

Exploitation context

The CVE record describes unauthenticated network exploitation via crafted XML input. The bundle does not cite public exploitation, proof-of-concept availability, or CISA KEV listing. Treat active exploitation as unconfirmed based on provided sources.

Researcher notes

Key unknowns include exact affected build ranges beyond “up to and including 8.0.7,” exposed endpoints, and parser configuration details. Avoid assuming exploitability in a specific deployment without validating XML input paths and network reachability. Use the Xerox bulletin as the authoritative remediation source.

Mitigation direction

  • Upgrade Xerox FreeFlow Core to version 8.1.0 using Xerox’s referenced software download guidance.
  • Restrict network access to FreeFlow Core until the upgrade is complete.
  • Review Xerox’s security bulletin for environment-specific instructions and prerequisites.

Validation and detection

  • Inventory Xerox FreeFlow Core instances and record installed versions.
  • Confirm whether any instance is version 8.0.7 or earlier.
  • Verify FreeFlow Core was upgraded to version 8.1.0.
  • Review access controls around XML-processing interfaces and administrative portals.
  • Check monitoring for unusual outbound requests from FreeFlow Core servers.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-611: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cwe · medium confidence lookup

CWE-918: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Cloud metadata behavior lookup

The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-2252 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2026-2252Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
XeroxFreeFlow Core0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-611 · source CWE mapping

Improper Restriction of XML External Entity Reference

Improper Restriction of XML External Entity Reference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

CWE-918 · source CWE mapping

Server-Side Request Forgery (SSRF)

Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.