{"id":"CVE-2018-1000539","details":"Nov json-jwt version \u003e= 0.5.0 && \u003c 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in 1.9.4 and later.","aliases":["GHSA-mj4x-wcxf-hm8x"],"modified":"2026-07-08T14:58:39.189750Z","published":"2018-06-26T16:29:02.163Z","references":[{"type":"ADVISORY","url":"https://github.com/nov/json-jwt/pull/62"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4283"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nov/json-jwt","events":[{"introduced":"efad0eb317810f4fbf2d22e0e1e8f40fc8601ec5"},{"fixed":"f0d30859a7944dff81a551f109e6acb0a8f7d186"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:json-jwt_project:json-jwt:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.5.0"},{"fixed":"1.9.4"}]}}],"versions":["v1.9.3","v1.9.2","v1.9.1","v1.9.0","v1.8.3","v1.8.1.pre","v1.8.0","v1.7.2","v1.7.1","v1.6.5","v1.6.4","v1.6.3","v1.6.2","v1.6.1","v1.6.0","v1.5.2","v1.5.1","v1.5.0","v1.4.0","v1.3.1","v1.3.0","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0","v1.1.0","v1.0.3","v1.0.2","v1.0.1","v1.0.0","v0.8.1","v0.8.0","v0.7.1","v0.7.0","v0.7.0.alpha2","v0.7.0.alpha","v0.6.1","v0.6.0","v0.5.6","v0.5.5","v0.5.4","v0.5.3","v0.5.2","v0.5.1","v0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000539.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}