CVE-2026-33045: PYSEC-2026-2516 - Home Assistant has stored XSS in history-graphs

CVE-2026-33045 · Severity: medium · CVSS 5.4 · Published 2026-03-27

Home Assistant is open source home automation software that puts local control and privacy first. Starting in version 2025.02 and prior to version 2026.01 the "remaining charge time"-sensor for mobile phones (imported/included from Android Auto it appears) is vulnerable cross-site scripting, similar to CVE-2025-62172. Version 2026.01 fixes the issue.

Technologies: Home Assistant Home-Assistant, homeassistant (PyPI). Vendors: Home Assistant, PyPI.

Quick answers

Is CVE-2026-33045 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-33045 being exploited in the wild.
How severe is CVE-2026-33045?
Medium severity, with a CVSS score of 5.4, published 27 March 2026.
Which products and versions are affected?
homeassistant (PyPI) ECOSYSTEM:introduced=2025.02,fixed=2026.01.
Is there a fix for CVE-2026-33045?
Yes. homeassistant (PyPI): upgrade to 2026.01 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-33045?
Check whether you run Home Assistant Home-Assistant or homeassistant (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • homeassistant (PyPI): upgrade to 2026.01 or later
    pip install "homeassistant>=2026.01"

Affected products

  • Home Assistant Home-Assistant
  • homeassistant (PyPI) ECOSYSTEM:introduced=2025.02,fixed=2026.01

Identifiers

  • CVE-2026-33045
  • GHSA-46j8-vpx8-6p72
  • PYSEC-2026-2516

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