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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-116280
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-26 14:16:35 UTC
Updated2026-10-26 18:35:08 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 5.1 MEDIUM from [email protected]

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-918 | CWE-918 Server-Side Request Forgery

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.1MEDIUMCVSS: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/C...
4.0CNADECLARED5.1MEDIUMCVSS: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
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
3.1CNADECLARED5.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
3.0CNADECLARED5.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
2.0[email protected]Secondary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P
2.0CNADECLARED6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
Passive
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Kameleo affected 5.0.1.0 Not specified
CNA Na Kameleo affected 5.0.1.1 Not specified
CNA Na Kameleo affected 5.0.1.2 Not specified
CNA Na Kameleo affected 5.0.1.3 Not specified
CNA Na Kameleo affected 5.0.1.4 Not specified
CNA Na Kameleo affected 5.0.1.5 Not specified
CNA Na Kameleo affected 5.0.1.6 Not specified
CNA Na Kameleo affected 5.0.1.7 Not specified
CNA Na Kameleo affected 5.0.1.8 Not specified
CNA Na Kameleo affected 5.0.1.9 Not specified
CNA Na Kameleo affected 5.0.1.10 Not specified
CNA Na Kameleo affected 5.0.1.11 Not specified
CNA Na Kameleo affected 5.0.1.12 Not specified
CNA Na Kameleo affected 5.0.1.13 Not specified
CNA Na Kameleo affected 5.0.1.14 Not specified
CNA Na Kameleo affected 5.0.1.15 Not specified
CNA Na Kameleo affected 5.0.1.16 Not specified
CNA Na Kameleo affected 5.0.1.17 Not specified
CNA Na Kameleo affected 5.0.1.18 Not specified
CNA Na Kameleo affected 5.0.1.19 Not specified
CNA Na Kameleo affected 5.0.1.20 Not specified
CNA Na Kameleo affected 5.0.1.21 Not specified
CNA Na Kameleo affected 5.0.1.22 Not specified
CNA Na Kameleo affected 5.0.1.23 Not specified
CNA Na Kameleo affected 5.0.1.24 Not specified
CNA Na Kameleo affected 5.0.1.25 Not specified
CNA Na Kameleo affected 5.0.1.26 Not specified
CNA Na Kameleo unaffected 5.2.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com/submit/1011318 [email protected] vuldb.com
vuldb.com/cve/CVE-2026-116280 [email protected] vuldb.com
vuldb.com/vuln/426305/cti [email protected] vuldb.com
drive.google.com/drive/folders/1v9qTuMbrKnJStOeWqS-PDXz1KbmMheQ3 [email protected] drive.google.com
github.com/kameleo-io/kameleo/releases/tag/5.2.0 [email protected] github.com
vuldb.com/vuln/426305 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Notwo1f (en)

CNA: researchersongwu (VulDB User) (en)

CNA: researchersongwu (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-25T00:00:00.000ZAdvisory disclosed
CNA2026-10-25T02:00:00.000ZVulDB entry created
CNA2026-10-26T07:18:07.000ZVulDB entry last update

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