CVE-2026-43980Malla: Stored XSS via Meshtastic node names in multiple frontend pages
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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 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.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Aug 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
zenitraM malla zenitram:malla (from the name) | before 4086e2b5f61615a813b70b25bc76095083552135 | CNA record |
References
- https://github.com/zenitraM/malla/security/advisories/GHSA-ch57-39q2-4crmx-refsource-confirm
- https://github.com/zenitraM/malla/commit/4086e2b5f61615a813b70b25bc76095083552135x-refsource-misc
- https://github.com/pypa/advisory-database/tree/main/vulns/malla/PYSEC-2026-2618.yamlx-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.