CVE-2026-78638

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

LOW
3.3
CVSS Score
Published: August 25, 2026 at 05:30 AM UTC
Updated: September 28, 2026 at 11:10 PM UTC
2 products affected across 1 vendorUnzip Crx 3Unzip Crx

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/394865
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/394865/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-78638
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/886400
ExploitIssue Tracking
Source: cverecord
https://github.com/peerigon/unzip-crx/issues/19

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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