{"cve":"CVE-2026-95844","nvd":{"published":"2026-09-23T17:17:21.280","modified":"2026-09-29T02:16:55.810","status":"Modified","description":"Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, Moquette does not limit the depth of topic names and topic filters before processing them through recursive CTrie insertion and matching operations. A remote client can publish or subscribe with a deeply nested topic, causing a StackOverflowError that disrupts session processing and can deny service to broker clients. This issue is fixed in version 0.18.1.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-674"],"references":["https://github.com/moquette-io/moquette/commit/ca17e0be19e86d5e291f4532dfdc94616c8e0049","https://github.com/moquette-io/moquette/releases/tag/v0.18.1","https://github.com/moquette-io/moquette/security/advisories/GHSA-5f42-97gr-vfhq","https://github.com/moquette-io/moquette/security/advisories/GHSA-5f42-97gr-vfhq"],"products":["moquette:moquette"],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-95844","score":0.00423,"percentile":0.36683,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5f42-97gr-vfhq","url":"https://osv.dev/vulnerability/GHSA-5f42-97gr-vfhq","summary":"Moquette: Pattern-ACL wildcard injection (cross-tenant authorization bypass) plus a remote-unauthenticated DoS cluster, a Will-message authorization bypass, and a cross-session durable-corruption bug","modified":"2026-10-19T19:30:12.063094642Z","packages":[{"ecosystem":"Maven","name":"io.moquette:moquette-broker","purl":"pkg:maven/io.moquette/moquette-broker","ranges":["<0.18.1"],"fixed":["0.18.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}