cube-root directory-serve - Stored Cross-Site Scripting via Malicious Filename (CVE-2026-72570) | HOL Guard CVE

Medium · CVSS 5.4CVE-2026-72570

cube-root directory-serve - Stored Cross-Site Scripting via Malicious Filename

Answer in brief

CVE-2026-72570 records a Medium severity (CVSS 5.4) vulnerability in cube-root directory-serve - Stored Cross-Site Scripting via Malicious Filename. The current sources do not mark it as known exploited. The current feed maps cube-root/directory-serve (generic), cube-root/directory-serve (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 10, 2026Updated Sep 3, 2026Source checked Sep 24, 2026First seen by HOL Aug 10, 2026Material review Sep 3, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.4
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps cube-root/directory-serve (generic), cube-root/directory-serve (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
cube-root/directory-servegeneric	>=0 <1.3.7	1.3.7
cube-root/directory-servegeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for cube-root/directory-serve, cube-root/directory-serve.
Review the reported fix. Update cube-root/directory-serve to 1.3.7 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 10, 2026

Sources and claim methodology

Upstream source description

A stored cross-site scripting (XSS) vulnerability in cube-root/directory-serve through 1.3.7 allows an attacker to inject arbitrary JavaScript into the web interface by uploading a file with a crafted filename containing HTML attribute-breaking characters.

Quoted source text, attributed separately from HOL analysis.