VULNERABILITY INTELLIGENCE

CVE-2018-15801

CVSS score7.4 HIGH
EPSS probability0.65%
CISA KEVNot currently listed
Published2018-12-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Description

Spring Security versions 5.1.x prior to 5.1.2 contain an authorization bypass vulnerability during JWT issuer validation. In order to be impacted, the same private key for an honest issuer and a malicious user must be used when signing JWTs. In that case, a malicious user could fashion signed JWTs with the malicious issuer URL that may be granted for the honest issuer.

Weakness classification

  • CWE-345: Insufficient Verification of Data Authenticity

Primary references