CVE-2026-116280
CVE-2026-116280
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- vuldb.com/vuln/426305 (technical-description, vdb-entry)
- vuldb.com/vuln/426305/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-116280 (third-party-advisory)
- vuldb.com/submit/1011318 (third-party-advisory)
- drive.google.com/drive/folders/1v9qTuMbrKnJStOeWqS-PDXz1KbmMheQ3 (related)
- github.com/kameleo-io/kameleo/releases/tag/5.2.0 (patch)
Frequently asked questions
- What is CVE-2026-116280?
- CVE-2026-116280 is a medium-severity vulnerability, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.5/10. Published 2026-10-26.
- How severe is CVE-2026-116280?
- Medium severity. CVSS v3 base score is 5.5 out of 10.