alexjustesen Speedtest Tracker up to 1.15.0 Proxy Trust Logic bootstrap/app.php X-Forwarded-For privileges management

Summaryinfo

A vulnerability has been found in alexjustesen Speedtest Tracker up to 1.15.0 and classified as problematic. This issue affects some unknown processing of the file bootstrap/app.php of the component Proxy Trust Logic. This manipulation of the argument X-Forwarded-For causes privileges management. The identification of this vulnerability is CVE-2026-108736. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in alexjustesen Speedtest Tracker up to 1.15.0. Affected by this vulnerability is an unknown part of the file bootstrap/app.php of the component Proxy Trust Logic. The manipulation of the argument X-Forwarded-For with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. The summary by CVE is:

Speedtest Tracker through 1.15.0 contains an IP allowlist bypass vulnerability that allows unauthenticated remote attackers to evade ALLOWED_IPS and Prometheus allowlists by spoofing X-Forwarded-For headers. Because bootstrap/app.php trusts every peer as a proxy, attackers can supply an allowlisted address to read /prometheus metrics and reach protected web and API endpoints.

The advisory is shared at hackmd.io. This vulnerability is known as CVE-2026-108736 since 10/11/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

By approaching the search of inurl:bootstrap/app.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• alexjustesen

Name

• Speedtest Tracker

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15.0

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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