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CVE Record

CVE-2026-72569: cube-root directory-serve - Unauthenticated Path Traversal Arbitrary File Deletion

A path traversal vulnerability in cube-root/directory-serve through 1.3.7 allows an unauthenticated remote attacker to delete arbitrary files outside the intended served directory when the application is run with the --delete option.

CriticalCVSS 9.1Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

A remotely reachable directory-serve instance can allow anyone to delete files outside its shared folder when the --delete option is enabled. No login or user interaction is required. This could remove application data, configuration, or other files accessible to the service account, causing outages or loss of integrity.

Executive priority

Treat internet-facing or broadly accessible instances using --delete as an immediate priority. Disable deletion or isolate the service, assess filesystem permissions, and investigate possible file loss. Instances without --delete are not described as exploitable by this CVE, but version and configuration should still be verified.

Technical view

CVE-2026-72569 is a CWE-22 path traversal flaw in cube-root/directory-serve through 1.3.7. With --delete enabled, attacker-controlled paths may escape the intended serving directory and delete files permitted by the process account. CVSS 3.1 is 9.1: network-accessible, low complexity, unauthenticated, with high integrity and availability impact.

Likely exposure

Exposure requires directory-serve through 1.3.7 to be remotely reachable and running with --delete. Impact is limited by the service account's filesystem permissions. The affected-version metadata also lists version "0," conflicting with the narrative range; inventories should verify both package version and configuration.

Exploitation context

The supplied record does not establish active exploitation, and the CVE is not listed as KEV in the bundle. Exploitation is nevertheless described as unauthenticated, remote, and low complexity. No public proof-of-concept status is established by the supplied sources.

Researcher notes

The vulnerable component is identified as lib/middleware/file-remove.js. The supplied evidence describes traversal-driven deletion, not file reading or code execution. Confidentiality impact is rated none. No patch version, vendor advisory, exploit sample, or confirmed attacks are provided. The affected-version metadata inconsistency warrants checking the authoritative CVE record and repository history.

Mitigation direction

  • Disable the --delete option wherever operationally possible.
  • Restrict network access to trusted clients until vendor guidance is confirmed.
  • Run the service with minimal filesystem permissions and isolate sensitive paths.
  • Check the vendor repository and CVE record for a patched release or official remediation.
  • Back up important files and verify recovery procedures before continued operation.

Validation and detection

  • Inventory directory-serve versions across production, staging, containers, and deployment manifests.
  • Confirm whether each instance starts with the --delete option enabled.
  • Determine which files and directories the service account can modify or delete.
  • Review filesystem integrity, application logs, and deletion events for unexplained activity.
  • Validate remediation in an isolated environment using non-sensitive test files only.
Prepared
Confidence
medium
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

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-2026-72569 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
9.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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
5Timeline events
1ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

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
9.1CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H3.95.2TuranSec

Vulnerability scoring details

Base CVSS 3.1 score

9.1Critical
CVSS 3.1 vector shape for CVE-2026-72569Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. Source timelineTuranSec

    CVE Reserved

  2. Source timelineTuranSec

    Public Disclosure

  3. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  4. CVE publishedCVE Program

    The CVE record was published.

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
cube-rootdirectory-serve0unknown
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.