CVE-2026-42078: PYSEC-2026-2893 - PPTAgent: Arbitrary File Write + Directory Creation via markdown_table_to_image

CVE-2026-42078 · Severity: medium · CVSS 4.6 · Published 2026-05-04

PPTAgent is an agentic framework for reflective PowerPoint generation. Prior to commit 418491a, PPTAgent is vulnerable to arbitrary file write and directory creation via markdown_table_to_image. This issue has been patched via commit 418491a.

Technologies: pptagent (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2026-42078 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-42078 being exploited in the wild.
How severe is CVE-2026-42078?
Medium severity, with a CVSS score of 4.6, published 4 May 2026.
Which products and versions are affected?
pptagent (PyPI) ECOSYSTEM:introduced=0,fixed=1.1.36.
Is there a fix for CVE-2026-42078?
Yes. pptagent (PyPI): upgrade to 1.1.36 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-42078?
Check whether you run pptagent (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

  • pptagent (PyPI): upgrade to 1.1.36 or later
    pip install "pptagent>=1.1.36"

Affected products

  • pptagent (PyPI) ECOSYSTEM:introduced=0,fixed=1.1.36

Identifiers

  • CVE-2026-42078
  • GHSA-hrcw-xc63-g29m
  • PYSEC-2026-2893

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