{"id":"CVE-2025-53637","aliases":["EUVD-2025-21075","GHSA-6mwm-v2vv-pp96"],"status":"published","title":"Meshtastic allows Command Injection in GitHub Action","description":"Meshtastic is an open source mesh networking solution. The main_matrix.yml GitHub Action is triggered by the pull_request_target event, which has extensive permissions, and can be initiated by an attacker who forked the repository and created a pull request. In the shell code execution part, user-controlled input is interpolated unsafely into the code. If this were to be exploited, attackers could inject unauthorized code into the repository. This vulnerability is fixed in 2.6.6.","severity":{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00389,"percentile":0.33347,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2025-07-10T21:31:44Z","modified":"2026-10-28T02:31:00Z","products":[{"vendor":"meshtastic","product":"firmware"},{"vendor":"meshtastic","product":"meshtastic_firmware"},{"vendor":"yarbo","product":"firmware"}],"references":[{"url":"https://github.com/meshtastic/firmware/security/advisories/GHSA-6mwm-v2vv-pp96","tags":["x_refsource_CONFIRM","Third Party Advisory","advisory"]},{"url":"https://github.com/meshtastic/firmware/blob/3fd47d9713e7d1b6866c48cf218e2435741651a2/.github/workflows/main_matrix.yml#L34-L41","tags":["x_refsource_MISC","Product","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53637.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53637","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-53637","title":"Meshtastic allows Command Injection in GitHub Action","description":"Meshtastic is an open source mesh networking solution. The main_matrix.yml GitHub Action is triggered by the pull_request_target event, which has extensive permissions, and can be initiated by an attacker who forked the repository and created a pull request. In the shell code execution part, user-controlled input is interpolated unsafely into the code. If this were to be exploited, attackers could inject unauthorized code into the repository. This vulnerability is fixed in 2.6.6.","status":"published","published":"2025-07-10T21:31:44.006Z","modified":"2025-07-11T16:50:38.545Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:32:49.180768Z"}],"euvd":[{"id":"EUVD-2025-21075","description":"Meshtastic is an open source mesh networking solution. The main_matrix.yml GitHub Action is triggered by the pull_request_target event, which has extensive permissions, and can be initiated by an attacker who forked the repository and created a pull request. In the shell code execution part, user-controlled input is interpolated unsafely into the code. If this were to be exploited, attackers could inject unauthorized code into the repository. This vulnerability is fixed in 2.6.6.","status":"published","published":"2025-07-10T21:31:44Z","modified":"2025-07-11T16:50:38Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:09.102762Z"}],"nvd":[{"id":"CVE-2025-53637","description":"Meshtastic is an open source mesh networking solution. The main_matrix.yml GitHub Action is triggered by the pull_request_target event, which has extensive permissions, and can be initiated by an attacker who forked the repository and created a pull request. In the shell code execution part, user-controlled input is interpolated unsafely into the code. If this were to be exploited, attackers could inject unauthorized code into the repository. This vulnerability is fixed in 2.6.6.","status":"published","published":"2025-07-10T22:15:24.58Z","modified":"2026-06-17T09:38:37.003Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:11:18.285862Z"}],"osv":[{"id":"CVE-2025-53637","title":"Meshtastic allows Command Injection in GitHub Action","description":"Meshtastic is an open source mesh networking solution. The main_matrix.yml GitHub Action is triggered by the pull_request_target event, which has extensive permissions, and can be initiated by an attacker who forked the repository and created a pull request. In the shell code execution part, user-controlled input is interpolated unsafely into the code. If this were to be exploited, attackers could inject unauthorized code into the repository. This vulnerability is fixed in 2.6.6.","status":"published","published":"2025-07-10T21:31:44.006Z","modified":"2026-10-28T02:31:00.319334389Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:44:50.45326Z"}]}}