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.

High

CVSS

7.0

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

9th percentile

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

Product	Fixed in	Fix	Released
Linux
pyjwt · Debian 14	2.11.0-2	DEBIAN-CVE-2025-45768	Jul 31, 2025
python3-jwt · amzn 2023	2.4.0-1.amzn2023.0.2	ALAS2023-2026-1467	Mar 2, 2026
python3-jwt+crypto · amzn 2023	2.4.0-1.amzn2023.0.2	ALAS2023-2026-1467	Mar 2, 2026

Details

Published
July 31, 2025
Weakness
Missing Encryption of Sensitive Data
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-45768

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