{"id":"CVE-2026-43980","title":"Malla is a web analyzer for Meshtastic networks based on MQTT data","summary":"Malla is a web analyzer for Meshtastic networks based on MQTT data. Prior to commit 4086e2b5f61615a813b70b25bc76095083552135, code names (long_name, short_name) received via MQTT are stored in SQLite without sanitization and rendered int…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","cwe":["CWE-79"],"vendor":"malla","product":"malla","affected":["malla <= 0.1.7"],"published":"2026-08-21","updated":"2026-09-09","sourceUpdated":"2026-09-09T21:06:39.057","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-43980","references":[{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/malla/PYSEC-2026-2618.yaml","label":"security-advisories@github.com"},{"url":"https://github.com/zenitraM/malla/commit/4086e2b5f61615a813b70b25bc76095083552135","label":"security-advisories@github.com"},{"url":"https://github.com/zenitraM/malla/security/advisories/GHSA-ch57-39q2-4crm","label":"security-advisories@github.com"},{"url":"https://github.com/zenitraM/malla/security/advisories/GHSA-ch57-39q2-4crm","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/zenitraM/malla"}],"tags":["nvd","osv","pip"],"epss":0.00226,"epssPercentile":0.13512,"aliases":["GHSA-ch57-39q2-4crm","PYSEC-2026-2618"],"ecosystem":"pip","ingestedAt":"2026-07-13T18:57:56.471Z","slug":"CVE-2026-43980","body":"## Overview\n\nMalla is a web analyzer for Meshtastic networks based on MQTT data. Prior to commit 4086e2b5f61615a813b70b25bc76095083552135, code names (long_name, short_name) received via MQTT are stored in SQLite without sanitization and rendered into the DOM without escaping. Any participant on a public Meshtastic MQTT broker can set a malicious node name that executes JavaScript in the browser of every Malla dashboard visitor. Commit 4086e2b5f61615a813b70b25bc76095083552135 fixes the issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-43980)\n\nAffected packages:\n\n- `malla <= 0.1.7`\n\nSource: https://osv.dev/vulnerability/GHSA-ch57-39q2-4crm","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}