CVE-2013-4409: PYSEC-2026-524 - ReviewBoard and Djblets library are vulnerable to code execution

CVE-2013-4409 · Severity: low · CVSS 3.1 · Published 2026-06-29

ReviewBoard and Djblets library are vulnerable to code execution

Technologies: djblets (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2013-4409 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2013-4409 being exploited in the wild.
How severe is CVE-2013-4409?
Low severity, with a CVSS score of 3.1, published 29 June 2026.
Which products and versions are affected?
djblets (PyPI) ECOSYSTEM:introduced=0,fixed=0.6.30, ECOSYSTEM:introduced=0,fixed=0.7.21; reviewboard (PyPI) ECOSYSTEM:introduced=0,fixed=1.7.15.
Is there a fix for CVE-2013-4409?
Yes. djblets (PyPI): upgrade to 0.6.30, 0.7.21 or later; reviewboard (PyPI): upgrade to 1.7.15 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2013-4409?
Check whether you run djblets (PyPI) or reviewboard (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

  • djblets (PyPI): upgrade to 0.6.30, 0.7.21 or later
    pip install "djblets>=0.7.21"
  • reviewboard (PyPI): upgrade to 1.7.15 or later
    pip install "reviewboard>=1.7.15"

Affected products

  • djblets (PyPI) ECOSYSTEM:introduced=0,fixed=0.6.30, ECOSYSTEM:introduced=0,fixed=0.7.21
  • reviewboard (PyPI) ECOSYSTEM:introduced=0,fixed=1.7.15

Identifiers

  • CVE-2013-4409
  • GHSA-58h8-44mg-r43x
  • PYSEC-2019-175
  • PYSEC-2026-524

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