{"id":"CVE-2025-31129","aliases":["EUVD-2025-9309","GHSA-7c5v-895v-w4q5"],"status":"published","title":"jooby-pac4j: deserialization of untrusted data","description":"Jooby is a web framework for Java and Kotlin. The pac4j io.jooby.internal.pac4j.SessionStoreImpl#get module deserializes untrusted data. This vulnerability is fixed in 2.17.0 (2.x) and 3.7.0 (3.x).","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00663,"percentile":0.51985,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-502"],"published":"2025-03-31T19:10:57Z","modified":"2026-10-28T10:59:05Z","exploits":[{"source":"pocgithub","id":"cwm1123/CVE-2025-31129","title":"cwm1123/CVE-2025-31129","date":"2025-04-01","url":"https://github.com/cwm1123/CVE-2025-31129"}],"fixes":[{"ecosystem":"Maven","package":"io.jooby:jooby-pac4j","fixed_in":["2.17.0","3.7.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"io.jooby:jooby-pac4j","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.17.0"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"io.jooby:jooby-pac4j","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0.M1"},{"fixed":"3.7.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"io.jooby:jooby-pac4j","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.17.0"}]}],"versions":["2.10.0","2.11.0","2.12.0","2.13.0","2.14.0","2.14.1","2.14.2","2.15.0","2.15.1","2.16.0","2.16.1","2.16.2","2.16.3","2.16.4","2.4.0","2.5.0","2.5.1","2.6.0","2.6.1","2.6.2","2.7.0","2.7.1","2.7.2","2.7.3","2.8.0","2.8.1","2.8.10","2.8.2","2.8.3","2.8.4","2.8.5","2.8.6","2.8.7","2.8.8","2.8.9","2.9.0","2.9.1","2.9.2","2.9.3","2.9.4","2.9.5","2.9.6"]},{"source":"osv","ecosystem":"Maven","package":"io.jooby:jooby-pac4j","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0.M1"},{"fixed":"3.7.0"}]}],"versions":["3.0.0","3.0.0.M1","3.0.0.M11","3.0.0.M2","3.0.0.M3","3.0.0.M4","3.0.0.M5","3.0.0.M6","3.0.0.M7","3.0.0.M9","3.0.1","3.0.10","3.0.2","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.1","3.1.2","3.1.3","3.1.4","3.2.0","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9","3.3.0","3.3.1","3.4.0","3.4.1","3.4.2","3.4.3","3.5.0","3.5.1","3.5.2","3.5.3","3.5.4","3.5.5","3.6.0","3.6.1"]}],"products":[{"vendor":"jooby-project","product":"jooby"}],"references":[{"url":"https://github.com/jooby-project/jooby/security/advisories/GHSA-7c5v-895v-w4q5","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/jooby-project/jooby/commit/3e13562cf36d7407813eae464e0f4b598de15692","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/jooby-project/jooby/blob/v2.x/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L39-L45","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/jooby-project/jooby/blob/v3.6.1/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L77-L84","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31129","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7c5v-895v-w4q5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31129.json","tags":["advisory"]},{"url":"https://github.com/jooby-project/jooby","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-31129","title":"jooby-pac4j: deserialization of untrusted data","description":"Jooby is a web framework for Java and Kotlin. The pac4j io.jooby.internal.pac4j.SessionStoreImpl#get module deserializes untrusted data. This vulnerability is fixed in 2.17.0 (2.x) and 3.7.0 (3.x).","status":"published","published":"2025-03-31T19:10:57.599Z","modified":"2025-04-01T13:53:56.983Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:44.424933Z"}],"euvd":[{"id":"EUVD-2025-9309","description":"Jooby is a web framework for Java and Kotlin. The pac4j io.jooby.internal.pac4j.SessionStoreImpl#get module deserializes untrusted data. This vulnerability is fixed in 2.17.0 (2.x) and 3.7.0 (3.x).","status":"published","published":"2025-03-31T19:10:57Z","modified":"2025-04-01T13:53:56Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:45.844316Z"}],"ghsa":[{"id":"GHSA-7c5v-895v-w4q5","title":"jooby-pac4j: deserialization of untrusted data","description":"### Impact\n\nVersions after 2.x and before 3.x of io.jooby:jooby-pac4j can cause deserialization of untrusted data\n\n### Patches\n\n- 2.17.0 (2.x)\n- 3.7.0 (3.x)\n\n### Workarounds\n\n- Not using io.jooby:jooby-pac4j until it gets patches.\n- Check what values you put/save on session\n\n### References\n\nVersion 2.x:\n\nhttps://github.com/jooby-project/jooby/blob/v2.x/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L39-L45\n\nVersion 3.x:\nhttps://github.com/jooby-project/jooby/blob/v3.6.1/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L77-L84\n\n### Cause\n\nIn module pac4j io.jooby.internal.pac4j.SessionStoreImpl#get , it is used to handle sessions , and trying to get key value. In strToObject function ,it's trying to deserialize value when value starts with \"b64~\" , which might cause deserialization of untrusted data.\n\n[modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java](https://github.com/jooby-project/jooby/blob/v3.6.1/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L77-L84)\n\nHere's a small demo using SessionStoreImpl#get to handle sessions ,and user can pass parameters.\n\n![屏幕截图 2025-03-25 051325](https://github.com/user-attachments/assets/93039a06-d4f1-458a-8595-736b3fede345)\n\nAnd following below is exploiting successfully(execute calculator)\n\n![屏幕截图 2025-03-24 015128（1）](https://github.com/user-attachments/assets/415cf20c-dda0-4634-83ae-f8fa89677a16)","status":"published","published":"2025-04-01T14:19:43Z","modified":"2025-04-01T14:19:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:38:37.325334Z"}],"nvd":[{"id":"CVE-2025-31129","description":"Jooby is a web framework for Java and Kotlin. The pac4j io.jooby.internal.pac4j.SessionStoreImpl#get module deserializes untrusted data. This vulnerability is fixed in 2.17.0 (2.x) and 3.7.0 (3.x).","status":"published","published":"2025-03-31T19:15:43.023Z","modified":"2026-06-17T09:09:54.457Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:10:56.494516Z"}],"osv":[{"id":"CVE-2025-31129","title":"jooby-pac4j: deserialization of untrusted data","description":"Jooby is a web framework for Java and Kotlin. The pac4j io.jooby.internal.pac4j.SessionStoreImpl#get module deserializes untrusted data. This vulnerability is fixed in 2.17.0 (2.x) and 3.7.0 (3.x).","status":"published","published":"2025-03-31T19:10:57.599Z","modified":"2026-10-28T10:59:05.73554841Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:44:48.02508Z"},{"id":"GHSA-7c5v-895v-w4q5","title":"jooby-pac4j: deserialization of untrusted data","description":"### Impact\n\nVersions after 2.x and before 3.x of io.jooby:jooby-pac4j can cause deserialization of untrusted data\n\n### Patches\n\n- 2.17.0 (2.x)\n- 3.7.0 (3.x)\n\n### Workarounds\n\n- Not using io.jooby:jooby-pac4j until it gets patches.\n- Check what values you put/save on session\n\n### References\n\nVersion 2.x:\n\nhttps://github.com/jooby-project/jooby/blob/v2.x/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L39-L45\n\nVersion 3.x:\nhttps://github.com/jooby-project/jooby/blob/v3.6.1/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L77-L84\n\n### Cause\n\nIn module pac4j io.jooby.internal.pac4j.SessionStoreImpl#get , it is used to handle sessions , and trying to get key value. In strToObject function ,it's trying to deserialize value when value starts with \"b64~\" , which might cause deserialization of untrusted data.\n\n[modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java](https://github.com/jooby-project/jooby/blob/v3.6.1/modules/jooby-pac4j/src/main/java/io/jooby/internal/pac4j/SessionStoreImpl.java#L77-L84)\n\nHere's a small demo using SessionStoreImpl#get to handle sessions ,and user can pass parameters.\n\n![屏幕截图 2025-03-25 051325](https://github.com/user-attachments/assets/93039a06-d4f1-458a-8595-736b3fede345)\n\nAnd following below is exploiting successfully(execute calculator)\n\n![屏幕截图 2025-03-24 015128（1）](https://github.com/user-attachments/assets/415cf20c-dda0-4634-83ae-f8fa89677a16)","status":"published","published":"2025-04-01T14:19:43Z","modified":"2025-04-01T15:01:54.395152Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:41.002603Z"}]}}