What’s Vulnerable › Vulnerabilities

CVE-2026-116280: Kameleo Proxy Validation f.cs InternalController.TestProxy server-side request forgery

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-26 · updated 2026-10-31
• Weakness: CWE-918

Description

A vulnerability was determined in Kameleo up to 5.0.1.26. Affected is the function InternalController.TestProxy of the file client-engine-application/f.cs of the component Proxy Validation. Executing a manipulation of the argument host/port can lead to server-side request forgery. The attack may be launched remotely. Upgrading to version 5.2.0 is able to address this issue. It is suggested to upgrade the affected component. The route has been removed and replaced with /general/test-proxy in 5.2.0.

Affected products

• Kameleo: 5.0.1.0, 5.0.1.1, 5.0.1.2, 5.0.1.3, 5.0.1.4, 5.0.1.5 (+21)

References

• https://drive.google.com/drive/folders/1v9qTuMbrKnJStOeWqS-PDXz1KbmMheQ3?usp=drive_link
• https://github.com/kameleo-io/kameleo/releases/tag/5.2.0
• https://vuldb.com/cve/CVE-2026-116280
• https://vuldb.com/submit/1011318
• https://vuldb.com/vuln/426305
• https://vuldb.com/vuln/426305/cti

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