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  4. CVE 2026 43980 malla stored xss via meshtastic node names in
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Back to active CVEs
Medium · CVSS 6.3CVE-2026-43980

Malla: Stored XSS via Meshtastic node names in multiple frontend pagesCVE-2026-43980

Answer in brief

CVE-2026-43980 records a Medium severity (CVSS 6.3) vulnerability in Malla: Stored XSS via Meshtastic node names in multiple frontend pages. The current sources do not mark it as known exploited. The current feed maps zenitraM/malla (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 21, 2026Updated Sep 9, 2026Source checked Oct 6, 2026First seen by HOL Aug 21, 2026Material review Sep 9, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps zenitraM/malla (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
zenitraM/mallageneric<4086e2b5f61615a813b70b25bc760950835521354086e2b5f61615a813b70b25bc76095083552135

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for zenitraM/malla.
  2. 2Review the reported fix. Update zenitraM/malla to 4086e2b5f61615a813b70b25bc76095083552135 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 21, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Joplin whiteboard card rendering allows CSS injection into application chromeAlso CWE-79
  • Newell Brands DYMO ID document parsing failing file type extension authentication checkSame generic ecosystem
  • Newell Brands DYMO ID parent directory open to path traversal through improper spheres of controlSame generic ecosystem
  • Bake filesystem entitlement consent is skipped for certain secret and oci-layout definitionsSame generic ecosystem
  • Improper validation of Ops Manager configuration in MongoDB Kubernetes OperatorSame generic ecosystem
  • GraphQL Tools has prototype pollution in well-established utility function `mergeDeep`Same generic ecosystem

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 6, 2026
References
3 linked sources
Open source record