CVE-2026-27932: PYSEC-2026-2529 - joserfc's PBES2 p2c Unbounded Iteration Count enables Denial of Service (DoS)

CVE-2026-27932 · Severity: low · CVSS 3.1 · Published 2026-07-13

joserfc's PBES2 p2c Unbounded Iteration Count enables Denial of Service (DoS)

Technologies: joserfc (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2026-27932 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-27932 being exploited in the wild.
How severe is CVE-2026-27932?
Low severity, with a CVSS score of 3.1, published 13 July 2026.
Which products and versions are affected?
joserfc (PyPI) ECOSYSTEM:introduced=0,fixed=1.6.3.
Is there a fix for CVE-2026-27932?
Yes. joserfc (PyPI): upgrade to 1.6.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-27932?
Check whether you run joserfc (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

  • joserfc (PyPI): upgrade to 1.6.3 or later
    pip install "joserfc>=1.6.3"

Affected products

  • joserfc (PyPI) ECOSYSTEM:introduced=0,fixed=1.6.3

Identifiers

  • CVE-2026-27932
  • GHSA-w5r5-m38g-f9f9
  • PYSEC-2026-2529

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