CVE-2026-116280

Kameleo Proxy Validation f.cs InternalController.TestProxy server-side request forgery

State: Published
Severity: 5.1 Medium
Published: Oct 26, 2026
Updated: Oct 31, 2026
Reserved: Oct 25, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	5.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
3.0	5.5 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-918 Server-Side Request Forgery

Affected Products

Product	Versions
Kameleon/a	5.0.1.0Affected 5.0.1.1Affected 5.0.1.2Affected 5.0.1.3Affected 5.0.1.4Affected 5.0.1.5Affected 5.0.1.6Affected 5.0.1.7Affected 5.0.1.8Affected 5.0.1.9Affected 5.0.1.10Affected 5.0.1.11Affected 5.0.1.12Affected 5.0.1.13Affected 5.0.1.14Affected 5.0.1.15Affected 5.0.1.16Affected 5.0.1.17Affected 5.0.1.18Affected 5.0.1.19Affected 5.0.1.20Affected 5.0.1.21Affected 5.0.1.22Affected 5.0.1.23Affected 5.0.1.24Affected and 3 more versions

Product

Versions

Kameleon/a

5.0.1.0Affected
5.0.1.1Affected
5.0.1.2Affected
5.0.1.3Affected
5.0.1.4Affected
5.0.1.5Affected
5.0.1.6Affected
5.0.1.7Affected
5.0.1.8Affected
5.0.1.9Affected
5.0.1.10Affected
5.0.1.11Affected
5.0.1.12Affected
5.0.1.13Affected
5.0.1.14Affected
5.0.1.15Affected
5.0.1.16Affected
5.0.1.17Affected
5.0.1.18Affected
5.0.1.19Affected
5.0.1.20Affected
5.0.1.21Affected
5.0.1.22Affected
5.0.1.23Affected
5.0.1.24Affected
and 3 more versions

References

VDB-426305 | Kameleo Proxy Validation f.cs InternalController.TestProxy server-side request forgeryvdb-entrytechnical-description
VDB-426305 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-116280 | CVE Analysis and Reportthird-party-advisory
Submit #1011318 | https://kameleo.io/ Kameleo 5.0.1.26 SSRFthird-party-advisory
https://drive.google.com/drive/folders/1v9qTuMbrKnJStOeWqS-PDXz1KbmMheQ3?usp=drive_linkrelated
https://github.com/kameleo-io/kameleo/releases/tag/5.2.0patch

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