UBUNTU-CVE-2026-42566

Meshtastic is an open source mesh networking solution. Prior to version 2.7.23.b246bcd, a single node advertising a User.longname that contains a malformed character encoding can render other radios unusable over BLE when managed through the iOS app. The malformed name does not need to be...

UBUNTU-CVE-2026-44359

Meshtastic is an open source mesh networking solution. Prior to version 2.7.21.1370b23, the Meshtastic GitHub repository's mainmatrix.yml workflow is triggered by pullrequesttarget and multiple jobs check out the attacker's fork code and execute it with access to repository secrets and elevated...

Linux Distros Unpatched Vulnerability : CVE-2026-42566

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Meshtastic is an open source mesh networking solution. Prior to version 2.7.23.b246bcd, a single node advertising a User.longname that contains a malformed...

CVE-2026-42566

Meshtastic is an open source mesh networking solution. Prior to version 2.7.23.b246bcd, a single node advertising a User.longname that contains a malformed character encoding can render other radios unusable over BLE when managed through the iOS app. The malformed name does not need to be...

CVE-2026-42566

The CVE affects Meshtastic firmware prior to 2.7.23.b246bcd where a single node advertising a User.long_name containing malformed UTF-8 over LoRa can render other radios unusable over BLE when managed via the iOS app. Root cause: a null terminator can be placed in the middle of a multibyte sequen...

CVE-2026-44359 Meshtastic GitHub repo vulnerable to Arbitrary Code Execution via pull_request_target Fork Checkout in CI Workflow

Meshtastic is an open source mesh networking solution. Prior to version 2.7.21.1370b23, the Meshtastic GitHub repository's mainmatrix.yml workflow is triggered by pullrequesttarget and multiple jobs check out the attacker's fork code and execute it with access to repository secrets and elevated...

CVE-2026-44359

The CVE describes a flaw in Meshtastic’s GitHub workflow (main_matrix.yml) prior to version 2.7.21.1370b23 where pull_request_target could trigger jobs that check out attacker forks and execute attacker-controlled files with repository secrets and elevated GITHUB_TOKEN permissions. External PRs w...

CVE-2026-44359

Meshtastic is an open source mesh networking solution. Prior to version 2.7.21.1370b23, the Meshtastic GitHub repository's mainmatrix.yml workflow is triggered by pullrequesttarget and multiple jobs check out the attacker's fork code and execute it with access to repository secrets and elevated...

CVE-2026-44359 Meshtastic GitHub repo vulnerable to Arbitrary Code Execution via pull_request_target Fork Checkout in CI Workflow

Meshtastic is an open source mesh networking solution. Prior to version 2.7.21.1370b23, the Meshtastic GitHub repository's mainmatrix.yml workflow is triggered by pullrequesttarget and multiple jobs check out the attacker's fork code and execute it with access to repository secrets and elevated...

PT-2026-61517

Meshtastic is an open source mesh networking solution. Prior to version 2.7.23.b246bcd, a single node advertising a User.long name that contains a malformed character encoding can render other radios unusable over BLE when managed through the iOS app. The malformed name does not need to be...

PT-2026-61516

Meshtastic is an open source mesh networking solution. Prior to version 2.7.21.1370b23, the Meshtastic GitHub repository's main matrix.yml workflow is triggered by pull request target and multiple jobs check out the attacker's fork code and execute it with access to repository secrets and elevate...

PYSEC-2026-2618 malla: Stored XSS via Meshtastic node names in multiple frontend pages

Node names longname, shortname 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. Affecte...

malla: Stored XSS via Meshtastic node names in multiple frontend pages

Node names longname, shortname 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. Affecte...

Exploit for Use of Less Trusted Source in Meshtastic Meshtastic_Firmware

Stopping Meshtastic from-field spoof attacks — shape-detecti...

CVE-2025-55292

Meshtastic is an open source mesh networking solution. In the current Meshtastic architecture, a Node is identified by their NodeID, generated from the MAC address, rather than their public key. This aspect downgrades the security, specifically by abusing the HAM mode which doesn't use encryption...

CVE-2025-55292

Meshtastic is an open source mesh networking solution. In the current Meshtastic architecture, a Node is identified by their NodeID, generated from the MAC address, rather than their public key. This aspect downgrades the security, specifically by abusing the HAM mode which doesn't use encryption...

Meshtastic security vulnerabilities

Meshtastic is an open-source, decentralized wireless off-grid mesh network LoRa protocol developed by Meshtastic. Meshtastic has a security vulnerability, which stems from defects in the node identification mechanism. This vulnerability could allow attackers to forge node information and hijack...

CVE-2025-55292 In Meshtastic, an attacker can spoof licensed amateur flag for a node

Meshtastic is an open source mesh networking solution. In the current Meshtastic architecture, a Node is identified by their NodeID, generated from the MAC address, rather than their public key. This aspect downgrades the security, specifically by abusing the HAM mode which doesn't use encryption...

CVE-2025-55292 In Meshtastic, an attacker can spoof licensed amateur flag for a node

Meshtastic is an open source mesh networking solution. In the current Meshtastic architecture, a Node is identified by their NodeID, generated from the MAC address, rather than their public key. This aspect downgrades the security, specifically by abusing the HAM mode which doesn't use encryption...

CVE-2025-53627

Meshtastic is an open source mesh networking solution. The Meshtastic firmware starting from version 2.5 introduces asymmetric encryption PKI for direct messages, but when the pkiencrypted flag is missing, the firmware silently falls back to legacy AES-256-CTR channel encryption. This was an...