---
id: CVE-2022-4885
aliases:
  - GHSA-7jrw-p8jc-v6qw
  - PYSEC-2026-826
title: sviehb/jefferson vulnerable to path traversal
summary: sviehb/jefferson vulnerable to path traversal
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
vendor: jefferson
product: jefferson
ecosystem: pip
affected:
  - jefferson < 0.4
patched:
  - jefferson 0.4
published: '2023-01-11'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-7jrw-p8jc-v6qw'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2022-4885'
  - url: 'https://github.com/sviehb/jefferson/pull/36'
  - url: >-
      https://github.com/sviehb/jefferson/commit/53b3f2fc34af0bb32afbcee29d18213e61471d87
  - url: 'https://github.com/sviehb/jefferson'
  - url: 'https://github.com/sviehb/jefferson/releases/tag/v0.4'
  - url: 'https://vuldb.com/?ctiid.218020'
  - url: 'https://vuldb.com/?id.218020'
tags:
  - osv
  - pip
epss: 0.00746
epssPercentile: 0.53349
ingestedAt: '2026-07-08T18:25:47.039Z'
---

## Overview

A vulnerability has been found in the sviehb/jefferson JFFS2 filesystem extraction tool. This vulnerability affects unknown code of the file `src/scripts/jefferson`. The manipulation leads to path traversal. The attack can be initiated remotely. Upgrading to version 0.4 is able to address this issue as it includes https://github.com/sviehb/jefferson/commit/53b3f2fc34af0bb32afbcee29d18213e61471d87.

## Affected packages

- `jefferson < 0.4`

## Remediation

Upgrade to a patched release:

- `jefferson 0.4`