CVE-2020-26160

jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m["aud"] (which is allowed by the…

High · published September 30, 2020

CVSS v3.1
7.5
EPSS
2%
Percentile
82.0
In the wild
Unconfirmed
What it is

jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m["aud"] (which is allowed by the specification). Because the type assertion fails, "" is the value of aud. This is a security problem if the JWT token is presented to a service that lacks its own audience check.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:N
CVSS v4.0
Not supplied
EPSS
0.02158 · 82.0th percentile
Published
2020-09-30T12:57Z
EPSS history
Timeline
  • 30 SEP 12:57Z
    jwt-go before 4.0.0-preview1 allows attackers to bypass intended access restrictions in situations with []string{} for m["aud"] (which is allowed by the…
    cvelistv5