Medium severity · published Oct 26, 2026
CVE-2026-116280
Kameleo Proxy Validation f.cs InternalController.TestProxy server-side request forgery
New
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KA
Kameleo · 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 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-116280
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-116280
drive.google.com
https://drive.google.com/drive/folders/1v9qTuMbrKnJStOeWqS-PDXz1KbmMheQ3?usp=drive_link
github.com
https://github.com/kameleo-io/kameleo/releases/tag/5.2.0
vuldb.com
https://vuldb.com/cve/CVE-2026-116280
vuldb.com
https://vuldb.com/submit/1011318
vuldb.com
https://vuldb.com/vuln/426305
vuldb.com
https://vuldb.com/vuln/426305/cti
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