CVE-2024-28102: PYSEC-2026-1484 - JWCrypto vulnerable to JWT bomb Attack in `deserialize` function

CVE-2024-28102 · Severity: low · CVSS 3.1 · Published 2026-07-07

JWCrypto vulnerable to JWT bomb Attack in `deserialize` function

Technologies: jwcrypto (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2024-28102 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2024-28102 being exploited in the wild.
How severe is CVE-2024-28102?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
jwcrypto (PyPI) ECOSYSTEM:introduced=0,fixed=1.5.6.
Is there a fix for CVE-2024-28102?
Yes. jwcrypto (PyPI): upgrade to 1.5.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2024-28102?
Check whether you run jwcrypto (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

  • jwcrypto (PyPI): upgrade to 1.5.6 or later
    pip install "jwcrypto>=1.5.6"

Affected products

  • jwcrypto (PyPI) ECOSYSTEM:introduced=0,fixed=1.5.6

Identifiers

  • CVE-2024-28102
  • GHSA-j857-7rvv-vj97
  • PYSEC-2026-1484

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