{"id":"GHSA-gg69-9wwp-6jx2","summary":"Spring for Apache Pulsar: JsonPulsarHeaderMapper Trusted-Package Prefix Check Allows Unintended Subpackage Deserialization","details":"JsonPulsarHeaderMapper matched type headers against trusted packages using a prefix check, meaning that trusting any package implicitly trusted all of its subpackages. Additionally, an empty trusted-packages configuration fell back to trusting all packages rather than applying a safe default allow-list.\n\nAffected versions:\nSpring for Apache Pulsar 2.0.0 through 2.0.5; 1.2.0 through 1.2.17; 1.1.0 through 1.1.17.","aliases":["CVE-2026-41732"],"modified":"2026-08-12T17:56:05.259971Z","published":"2026-06-10T00:31:52Z","database_specific":{"github_reviewed_at":"2026-08-12T17:40:21Z","nvd_published_at":"2026-06-10T00:16:52Z","cwe_ids":["CWE-502"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41732"},{"type":"PACKAGE","url":"https://github.com/spring-projects/spring-pulsar"},{"type":"WEB","url":"https://github.com/spring-projects/spring-pulsar/releases/tag/v1.2.18"},{"type":"WEB","url":"https://github.com/spring-projects/spring-pulsar/releases/tag/v2.0.6"},{"type":"WEB","url":"https://spring.io/security/cve-2026-41732"}],"affected":[{"package":{"name":"org.springframework.pulsar:spring-pulsar","ecosystem":"Maven","purl":"pkg:maven/org.springframework.pulsar/spring-pulsar"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.0.6"}]}],"versions":["2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-gg69-9wwp-6jx2/GHSA-gg69-9wwp-6jx2.json","last_known_affected_version_range":"\u003c= 2.0.5"}},{"package":{"name":"org.springframework.pulsar:spring-pulsar","ecosystem":"Maven","purl":"pkg:maven/org.springframework.pulsar/spring-pulsar"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.2.0"},{"fixed":"1.2.18"}]}],"versions":["1.2.0","1.2.1","1.2.10","1.2.11","1.2.12","1.2.13","1.2.14","1.2.15","1.2.16","1.2.17","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9"],"database_specific":{"last_known_affected_version_range":"\u003c= 1.2.17","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-gg69-9wwp-6jx2/GHSA-gg69-9wwp-6jx2.json"}},{"package":{"name":"org.springframework.pulsar:spring-pulsar","ecosystem":"Maven","purl":"pkg:maven/org.springframework.pulsar/spring-pulsar"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.1.17"}]}],"versions":["0.1.0","0.2.0","1.0.0","1.0.1","1.0.10","1.0.11","1.0.12","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.10","1.1.11","1.1.12","1.1.13","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-gg69-9wwp-6jx2/GHSA-gg69-9wwp-6jx2.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}