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VulnerabilityPublished

CVE-2026-25933: arduino-app-lab · OS Command Injection

Affects arduino-app-labSource CVE Database V5

0

Not known to be exploited · CVSS 6.9 Medium : upgrade to 0.4.0 when convenient.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.4.0
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade arduino-app-lab to 0.4.0.

Affected software

ProductAffectedFixed in
arduinoarduino-app-labAffected
  • <0.4.0
Fixed in
  • 0.4.0

AI-suggested

  1. Upgrade all instances of arduino-app-lab to version 0.4.0 or later, where the vulnerability is fixed.
  2. Enforce strict physical security controls to prevent unauthorized access to Arduino hardware devices, including tampering or insertion of malicious boards.
  3. Limit the privileges of users running arduino-app-lab to the minimum necessary, avoiding running the IDE with administrative or root rights.
  4. Implement additional input validation and sanitization layers at the application or OS level to detect and block suspicious device metadata containing shell metacharacters.
  5. Educate developers and operational staff about the risks of connecting untrusted hardware and the importance of verifying device integrity.
  6. Monitor system logs and terminal sessions for unusual command executions or anomalies related to device connections.
  7. Consider network segmentation and endpoint protection to contain potential compromises originating from development workstations.

Description

Arduino App Lab is a cross-platform IDE for developing Arduino Apps. Prior to 0.4.0, a vulnerability was identified in the Terminal component of the arduino-app-lab application. The issue stems from insufficient sanitization and validation of input data received from connected hardware devices, specifically in the _info.Serial and _info.Address metadata fields. The problem occurs during device information handling. When a board is connected, the application collects identifying attributes to establish a terminal session. Because strict validation is not enforced for the Serial and Address parameters, an attacker with control over the connected hardware can supply specially crafted strings containing shell metacharacters. The exploitation requires direct physical access to a previously tampered board. When the host system processes these fields, any injected payload is executed with the privileges of the user running arduino-app-lab. This vulnerability is fixed in 0.4.0.

References

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