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CVE Record

CVE-2026-2251: Path Traversal leading to Remote Code Execution (RCE)

Improper limitation of a pathname to a restricted directory (Path Traversal) vulnerability in Xerox FreeFlow Core allows unauthorized path traversal leading to RCE. 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 https://www.support.xerox.com/en-us/product/core/downloads

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2026-2251 is a critical Xerox FreeFlow Core flaw. A remote, unauthenticated attacker may exploit path traversal to achieve remote code execution. Xerox states FreeFlow Core versions up to and including 8.0.7 are affected and recommends upgrading to 8.1.0.

Executive priority

Prioritize remediation immediately for any Xerox FreeFlow Core deployment, especially externally reachable systems. The vulnerability is critical, remotely exploitable by CVSS assessment, and may allow full system compromise through RCE.

Technical view

The issue is CWE-22 path traversal in Xerox FreeFlow Core, leading to RCE. CVSS 3.1 is 9.8 with network attack vector, low complexity, no privileges, and no user interaction. Impact is high for confidentiality, integrity, and availability. Public sources do not provide exploit mechanics.

Likely exposure

Organizations running Xerox FreeFlow Core version 8.0.7 or earlier are potentially exposed. Exposure is highest where the application is reachable from untrusted networks. The provided sources do not identify affected deployment configurations beyond product version.

Exploitation context

The CVSS vector indicates exploitation can be remote and unauthenticated without user interaction. The source bundle shows KEV status is false, and no cited source confirms active exploitation. Treat as urgent due to RCE potential and critical severity.

Researcher notes

Evidence is limited to the CVE record and Xerox bulletin references. No exploit details, indicators of compromise, or compensating controls are provided in the source bundle. Validation should focus on version confirmation, network exposure, and vendor bulletin review.

Mitigation direction

  • Upgrade Xerox FreeFlow Core to version 8.1.0 using Xerox’s download guidance.
  • Review the Xerox security bulletin for any environment-specific instructions.
  • Restrict FreeFlow Core access to trusted networks until upgraded.
  • Increase monitoring for suspicious file path or application execution behavior.

Validation and detection

  • Inventory all Xerox FreeFlow Core instances and record installed versions.
  • Confirm whether any instance is version 8.0.7 or earlier.
  • Verify FreeFlow Core is not exposed to untrusted networks.
  • After upgrade, confirm the installed version reports 8.1.0.
  • Review relevant application and security logs for unusual activity.
Prepared
Confidence
high
Sources
4

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 · medium confidence lookup

CWE-22: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell 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-2026-2251 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
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

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

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
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2026-2251Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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-22 · source CWE mapping

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.