# CVE-2023-33733: PYSEC-2026-1871 - Reportlab vulnerable to remote code execution

Source: https://junglewise.ai/threats/cve-2023-33733-reportlab-vulnerable-to-remote-code-execution  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2023-33733 · Severity: low · CVSS 3.1 · Published 2026-07-07

Reportlab vulnerable to remote code execution

Technologies: [reportlab (PyPI)](https://junglewise.ai/threats/technologies/reportlab). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2023-33733 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-33733 being exploited in the wild.

**How severe is CVE-2023-33733?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** reportlab (PyPI) ECOSYSTEM:introduced=0,fixed=3.6.13.

**Is there a fix for CVE-2023-33733?** Yes. reportlab (PyPI): upgrade to 3.6.13 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-33733?** Check whether you run reportlab (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- reportlab (PyPI): upgrade to 3.6.13 or later

  ```sh
  pip install "reportlab>=3.6.13"
  ```


## Affected products

- reportlab (PyPI) ECOSYSTEM:introduced=0,fixed=3.6.13

## Identifiers

- CVE-2023-33733
- GHSA-9q9m-c65c-37pq
- PYSEC-2026-1871

## Related threats

- [PYSEC-2026-522 - ReportLab vulnerable to remote code execution via paraparser](https://junglewise.ai/threats/cve-2019-19450-reportlab-vulnerable-to-remote-code-execution-via-paraparser)
- [Server-side Request Forgery (SSRF) via img tags in reportlab](https://junglewise.ai/threats/cve-2020-28463-server-side-request-forgery-ssrf-via-img-tags-in-reportlab)
- [XML Injection in ReportLab](https://junglewise.ai/threats/cve-2019-17626-xml-injection-in-reportlab)
- [PYSEC-2019-47 - ReportLab through 3.5.26 allows remote code execution because of toColor(eval(arg)) in colors.py, as…](https://junglewise.ai/threats/pysec-2019-47-reportlab-through-3-5-26-allows-remote-code-execution-e17ed613)