CVE-2026-116587 Go JOSE - Denial of Service

Go JOSE < 4.1.6 contains a denial of service caused by parsing attacker-controlled RSA parameters without size and consistency checks, letting remote attackers cause high CPU usage, exploit requires parsing untrusted JWKs.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
26 October 2026
Updated
27 October 2026
Weakness
CWE-407

Vendor fix

Upgrade to version 4.1.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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