Use of a broken or risky cryptographic algorithm in jose - CVE-2025-45767
Published: September 9, 2025
Vulnerability identifier: #VU114999
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-45767
CWE-ID: CWE-327
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Filip Skokan
Affected software:
jose
jose
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to weak encryption. A remote attacker can gain unauthorized access to sensitive information on the system, potentially leading to a significant impact on data confidentiality.
How to mitigate CVE-2025-45767
Install updates from vendor's website.
Sources
- https://gist.github.com/ZupeiNie/705a606fbb99f3bb8c9b51e5bc13c91d
- https://gist.github.com/ZupeiNie/705a606fbb99f3bb8c9b51e5bc13c91d?permalink_comment_id=5711572#gistcomment-5711572
- https://github.com/panva
- https://github.com/panva/jose
- https://github.com/panva/jose/blob/1e36dd29e76511e06737e5d5d500d81e01a9c3d2/src/lib/check_key_length.ts#L6-L7
- https://github.com/panva/jose/discussions/813