---
id: CVE-2023-4138
aliases:
  - GHSA-wwrg-2w5j-grvx
  - PYSEC-2026-1863
title: RDiffWeb vulnerable to Allocation of Resources Without Limits or Throttling
summary: RDiffWeb vulnerable to Allocation of Resources Without Limits or Throttling
severity: medium
cvss: 4.2
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L'
vendor: rdiffweb
product: rdiffweb
ecosystem: pip
affected:
  - rdiffweb < 2.8.1
patched:
  - rdiffweb 2.8.1
published: '2023-08-03'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-wwrg-2w5j-grvx'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-4138'
  - url: >-
      https://github.com/ikus060/rdiffweb/commit/feef0d7b11d86aed29bf98c21526088117964d85
  - url: 'https://github.com/ikus060/rdiffweb'
  - url: 'https://huntr.dev/bounties/1b1fa915-d588-4bb1-9e82-6a6be79befed'
tags:
  - osv
  - pip
epss: 0.00448
epssPercentile: 0.38332
ingestedAt: '2026-07-08T18:25:53.924Z'
---

## Overview

Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.8.0.

## Affected packages

- `rdiffweb < 2.8.1`

## Remediation

Upgrade to a patched release:

- `rdiffweb 2.8.1`