---
id: CVE-2023-33733
aliases:
  - GHSA-9q9m-c65c-37pq
  - PYSEC-2026-1871
title: Reportlab vulnerable to remote code execution
summary: Reportlab vulnerable to remote code execution
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
vendor: reportlab
product: reportlab
ecosystem: pip
affected:
  - reportlab < 3.6.13
patched:
  - reportlab 3.6.13
published: '2023-06-05'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-9q9m-c65c-37pq'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-33733'
  - url: 'https://github.com/c53elyas/CVE-2023-33733'
  - url: 'https://lists.debian.org/debian-lts-announce/2024/10/msg00008.html'
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36WOY22ECJCPOXHVTNCHEWOQLL7JSWP4
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ALE727IRACYBTTOFIFG57RS4OA2SHIJ
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36WOY22ECJCPOXHVTNCHEWOQLL7JSWP4
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6ALE727IRACYBTTOFIFG57RS4OA2SHIJ
tags:
  - osv
  - pip
  - exploit-available
epss: 0.02123
epssPercentile: 0.81085
ingestedAt: '2026-07-08T18:25:48.070Z'
exploits:
  github: 5
  githubRepos:
    - 'https://github.com/c53elyas/CVE-2023-33733'
    - 'https://github.com/hoangbui24/CVE-2023-33733'
    - 'https://github.com/onion2203/Lab_Reportlab'
  checkedAt: '2026-09-23T07:13:25.445Z'
exploitAvailable: true
---

## Overview

Reportlab up to and including v3.6.12 allows attackers to execute arbitrary code via supplying a crafted PDF file.

## Affected packages

- `reportlab < 3.6.13`

## Remediation

Upgrade to a patched release:

- `reportlab 3.6.13`