# python-jose (PyPI) vulnerabilities

5 known vulnerabilities (1 critical, 3 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Weekly downloads: 7.4M
- Dependents: 1,953
- Registry: https://pypi.org/project/python-jose/

## Advisories (5)

### [CVE-2026-85394](https://cve.now/CVE-2026-85394): python-jose through 3.5.0 Algorithm Confusion via DER-encoded Public Key as HMAC Secret

- Severity: Critical 9.3
- Published: Sep 3, 2026
- Affected: fixed in 3.4.0; through 3.5.0.

### [CVE-2024-29370](https://cve.now/CVE-2024-29370): In python-jose 3.3.0 (specifically jwe.decrypt), a vulnerability allows an attacker to cause a Denial-of-Service (DoS) condition by…

- Severity: Medium 5.3
- Published: Dec 17, 2025
- Affected: through 3.3.0.

### [CVE-2024-33664](https://cve.now/CVE-2024-33664): python-jose through 3.3.0 allows attackers to cause a denial of service (resource consumption) during a decode via a crafted JSON Web…

- Severity: Medium 5.3
- Published: Apr 25, 2024
- Affected: fixed in 3.4.0.

### [CVE-2024-33663](https://cve.now/CVE-2024-33663): python-jose through 3.3.0 has algorithm confusion with OpenSSH ECDSA keys and other key formats.

- Severity: Medium 6.5
- Published: Apr 25, 2024
- Affected: fixed in 3.4.0; through 3.5.0.

### [CVE-2016-7036](https://cve.now/CVE-2016-7036): python-jose before 1.3.2 allows attackers to have unspecified impact by leveraging failure to use a constant time comparison for HMAC keys.

- Severity: Unrated
- Published: Jan 23, 2017
- Affected: fixed in 1.3.2.

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