Vulnerability Database · PyPI · jwcrypto · Version
jwcrypto 0.4.0
0.4.0 is affected by 8 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 1.6.1.
Critical 0 High 0 Medium 7 Low 0 Unrated 1
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Released 29 Nov 2016
Licence non-standard
Also known from other sources 8
Newer releases 32
Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
jwcrypto 0.4.0 vulnerabilities
8 vulnerabilities cover jwcrypto 0.4.0. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2024-28102: jwcrypto Package Vulnerable to JWT Bomb Attack Leading to Denial of Service | 6.8 medium | 1.5.6 | 07 Jul 2026 |
| CVE-2024-28102: JWCrypto Vulnerable to JWT Bomb Attack | 6.8 medium | 1.5.6 | 06 Mar 2024 |
| CVE-2026-39373: jwcrypto JWE ZIP Decompression Bomb Vulnerability | 5.3 medium | No fix published | 08 Apr 2026 |
| CVE-2026-39373: jwcrypto Memory Exhaustion Vulnerability Due to Unvalidated JWE Token Decompression | 5.3 medium | 1.5.7 | 07 Apr 2026 |
| CVE-2023-6681: jwcrypto Denial of Service Vulnerability and Resource Exhaustion Risk | 5.3 medium | 1.5.1 | 12 Feb 2024 |
| CVE-2023-6681: Denial of Service in jwcrypto due to unbounded PBES2 Count value | 5.3 medium | 1.5.1 | 28 Dec 2023 |
| CVE-2022-3102: jwcrypto Authentication Bypass via Token Substitution | N/A unrated | 1.4 | 07 Jul 2026 |
| CVE-2022-3102: jwcrypto token substitution can lead to authentication bypass | N/A medium | 1.4 | 21 Sep 2022 |
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Questions
About jwcrypto 0.4.0
Is jwcrypto 0.4.0 vulnerable?
Yes. 8 vulnerabilities in the Vulert database cover jwcrypto 0.4.0: 0 critical, 0 high, 7 medium and 0 low, plus 1 not yet rated. The upgrade Vulert recommends is 1.6.1, and each entry above names the fixed version to move to.
Which version of jwcrypto should I use instead of 0.4.0?
1.6.1 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 0.4.0 the latest release of jwcrypto?
No. 0.4.0 was published 29 Nov 2016, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor jwcrypto for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the jwcrypto version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.