# CVE-2025-45768: pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).

CVE-2025-45768 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2025-45768, released July 31, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-45768
- Priority: High
- CVSS: 7.0 (Moderate)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 31, 2025
- Weakness: Missing Encryption of Sensitive Data
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-45768

## Description

pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pyjwt Debian 14 | 2.11.0-2 | [DEBIAN-CVE-2025-45768](https://patchblox.com/security/data/fix/linux/debian-cve-2025-45768.md) | Jul 31, 2025 |
| Linux | python3-jwt amzn 2023 | 2.4.0-1.amzn2023.0.2 | [ALAS2023-2026-1467](https://patchblox.com/security/data/fix/linux/alas2023-2026-1467.md) | Mar 2, 2026 |
| Linux | python3-jwt+crypto amzn 2023 | 2.4.0-1.amzn2023.0.2 | [ALAS2023-2026-1467](https://patchblox.com/security/data/fix/linux/alas2023-2026-1467.md) | Mar 2, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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