CVE-2025-45765

Description

ruby-jwt v3.0.0.beta1 was discovered to contain weak encryption. NOTE: the Supplier's perspective is "keysize is not something that is enforced by this library. Currently more recent versions of OpenSSL are enforcing some key sizes and those restrictions apply to the users of this gem also."

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.01%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/jwt/ruby-jwt/issues/668
https://gist.github.com/ZupeiNie/c621253068ce5b64911629534879e8f9

Frequently Asked Questions

What is the severity of CVE-2025-45765?
CVE-2025-45765 has been scored as a critical severity vulnerability.
How to fix CVE-2025-45765?
To fix CVE-2025-45765, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-45765 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-45765 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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