CVE-2026-118631: Argument Injection (CVSS 3.8)

Description

Philips Hue Bridge Pro Argument Injection Restricted File Write Vulnerability. This vulnerability allows local attackers to modify files on affected installations of Philips Hue Bridge Pro. An attacker must first obtain the ability to execute low-privileged code within a container on the target system, in order to exploit this vulnerability. The specific flaw exists within the factory data service, which listens on TCP port 5001 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to modify files in the context of the service account. Was ZDI-CAN-33090.

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CVSS v3.1 Score

3.8

LOW

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-88 CWE-88

References

Other References

https://www.zerodayinitiative.com/advisories/ZDI-26-890/

Frequently Asked Questions

What is CVE-2026-118631? +

Philips Hue Bridge Pro Argument Injection Restricted File Write Vulnerability. This vulnerability allows local attackers to modify files on affected installations of Philips Hue Bridge Pro. An attacker must first obtain the ability to execute low-privileged code within a container on the target system, in order to exploit this vulnerability. The specific flaw exists within the factory data service, which listens on TCP port 5001 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to modify files in the context of the service account. Was ZDI-CAN-33090. It has a CVSS v3.1 base score of 3.8 (LOW).

How severe is CVE-2026-118631? +

CVE-2026-118631 has a CVSS v3.1 score of 3.8 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-118631? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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