peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal (CVE-2026-78638) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-78638

peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal

Answer in brief

CVE-2026-78638 records a Unknown severity vulnerability in peerigon unzip-crx/unzip-crx-3 Archive Extraction index.js unzip path traversal. The current sources do not mark it as known exploited. The current feed maps peerigon/unzip-crx (generic), peerigon/unzip-crx-3 (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 25, 2026Updated Aug 25, 2026Source checked Aug 25, 2026First seen by HOL Aug 25, 2026Material review Aug 25, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. 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 peerigon/unzip-crx (generic), peerigon/unzip-crx-3 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
peerigon/unzip-crxgeneric	0.1 \|\| 0.2.0	Not reported
peerigon/unzip-crx-3generic	0.1 \|\| 0.2.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for peerigon/unzip-crx, peerigon/unzip-crx-3.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Aug 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 25, 2026

Sources and claim methodology

Upstream source description

A flaw has been found in peerigon unzip-crx and unzip-crx-3 up to 0.2.0. This affects the function unzip of the file dist/index.js of the component Archive Extraction. Executing a manipulation of the argument destination can lead to path traversal. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Quoted source text, attributed separately from HOL analysis.