---
id: MAL-2025-923
aliases:
  - GHSA-mpw9-j6mm-f9gc
title: Malicious code in fflask (PyPI)
summary: Malicious code in fflask (PyPI)
severity: none
vendor: fflask
product: fflask
ecosystem: pip
affected:
  - fflask
published: '2024-12-24'
updated: '2026-07-15'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/MAL-2025-923'
references:
  - url: >-
      https://www.virustotal.com/gui/file/0736a1f176f081a076b2cba3b54e1cb1462fe1a01be16144397bbc0d4739d01a
  - url: >-
      https://www.virustotal.com/gui/file/56ed3b8ca17b00ee8e7a1cb13298e5b12fd1771c24b33b9a84ba92b0610279e5
  - url: 'https://bad-packages.kam193.eu/pypi/package/fflask'
  - url: >-
      https://www.virustotal.com/gui/file/0736a1f176f081a076b2cba3b54e1cb1462fe1a01be16144397bbc0d4739d01a
  - url: >-
      https://www.virustotal.com/gui/file/56ed3b8ca17b00ee8e7a1cb13298e5b12fd1771c24b33b9a84ba92b0610279e5
  - url: 'https://github.com/advisories/GHSA-mpw9-j6mm-f9gc'
tags:
  - osv
  - pip
ingestedAt: '2026-07-16T18:59:41.768Z'
---

## Overview


---
_-= Per source details. Do not edit below this line.=-_

## Source: ghsa-malware (125471d3fb13da284e2a1e6f08627065506454ba819af239105d536da0854c74)
## Source: kam193 (106052056ac243ab1b11c7bbf3a04ff9f1b408cf92616fa635242b4230490d2f)
Importing the module downloads and starts an infostealer attempting to exfiltrate data and establishing persistence through autorun directory.


---

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2024-12-reqesst


Reasons (based on the campaign):


 - infostealer


 - peristence-autorun


 - typosquatting


 - exfiltration-generic


 - Downloads and executes a remote executable.


 - clones-real-package


 - dependency-confusion


 - exfiltration-browser-data


 - exfiltration-crypto

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/88c73798a8559379079a46c613bf17f15981dcdc/osv/malicious/pypi/fflask/MAL-2025-923.json))

## Source: kam193 (106052056ac243ab1b11c7bbf3a04ff9f1b408cf92616fa635242b4230490d2f)
Importing the module downloads and starts an infostealer attempting to exfiltrate data and establishing persistence through autorun directory.


---

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2024-12-reqesst


Reasons (based on the campaign):


 - infostealer


 - peristence-autorun


 - typosquatting


 - exfiltration-generic


 - Downloads and executes a remote executable.


 - clones-real-package


 - dependency-confusion


 - exfiltration-browser-data


 - exfiltration-crypto


## Affected packages

- `fflask`

## Remediation

Refer to the advisory for the patched release.