{"id":"CVE-2026-41732","summary":"In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper exposes JDK classes to 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.","modified":"2026-07-08T08:13:24.030387685Z","published":"2026-06-09T23:49:31.164Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41732.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"2.0.0"},{"fixed":"2.0.5.1"},{"introduced":"1.2.0"},{"fixed":"1.2.17.1"},{"introduced":"1.1.0"},{"fixed":"1.1.18"}]},{"source":"DESCRIPTION","extracted_events":[{"introduced":"2.0.0"},{"fixed":"2.0.5"},{"introduced":"1.2.0"},{"fixed":"1.2.17"},{"introduced":"1.1.0"},{"fixed":"1.1.17"}]}],"cna_assigner":"vmware","cwe_ids":["CWE-502"]},"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-41732"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41732.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41732"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/spring-projects/spring-pulsar","events":[{"introduced":"239a1b835d8eca367eb94c99361f8124a953bb99"},{"last_affected":"938a98e50e9c9dc4f32709afe91c997ea65d2065"},{"introduced":"8d8db89e33bc614efa6024b8706a67f5c3eb04ea"},{"last_affected":"cd53be7cfb4fb13116a6ba6dff7b7e5fe14ec2a7"}],"database_specific":{"source":"CPE_RANGE","extracted_events":[{"introduced":"1.2.0"},{"last_affected":"1.2.17"},{"introduced":"2.0.0"},{"last_affected":"2.0.5"}],"cpe":"cpe:2.3:a:vmware:spring_for_apache_pulsar:*:*:*:*:*:*:*:*"}}],"versions":["v2.0.5","v1.2.17","v1.2.16","v2.0.4","v1.2.15","v2.0.3","v1.2.14","v2.0.2","v2.0.1","v1.2.13","v1.2.12","v2.0.0","v1.2.11","v1.2.10","v1.2.9","v1.2.8","v1.2.7","v1.2.6","v1.2.5","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-41732.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}