How severe is CVE-2026-33044?

CVE-2026-33044 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-33044 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33044?

CVE-2026-33044 affects Home-assistant. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33044?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33044 have an EU (EUVD) identifier?

Yes. CVE-2026-33044 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16774.

When was CVE-2026-33044 published?

CVE-2026-33044 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-33044

CVE-2026-33044 is a medium-severity vulnerability in Home-assistant with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 7.3
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16774
Weakness: CWE-79
Affected product: Home-assistant
Published: 2026-03-27
Last modified: 2026-06-17

Description

Home Assistant is open source home automation software that puts local control and privacy first. Starting in version 2020.02 and prior to version 2026.01, an authenticated party can add a malicious name to their device entity, allowing for Cross-Site Scripting attacks against anyone who can see a dashboard with a Map-card which includes that entity. It requires that the victim hovers over an information point. Version 2026.01 fixes the issue.

Frequently asked questions

What is CVE-2026-33044?: Home Assistant is open source home automation software that puts local control and privacy first. Starting in version 2020.02 and prior to version 2026.01, an authenticated party can add a malicious name to their device entity, allowing for Cross-Site Scripting attacks against anyone who can see a dashboard with a Map-card which includes that entity. It requires that the victim hovers over an information point. Version 2026.01 fixes the issue.
How severe is CVE-2026-33044?: CVE-2026-33044 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-33044 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33044?: CVE-2026-33044 affects Home-assistant. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33044?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33044 have an EU (EUVD) identifier?: Yes. CVE-2026-33044 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16774.
When was CVE-2026-33044 published?: CVE-2026-33044 was published on 2026-03-27 and last updated on 2026-06-17.

References

https://github.com/home-assistant/core/security/advisories/GHSA-r584-6283-p7xc

Affected products (1)

cpe:2.3:a:home-assistant:home-assistant:*:*:*:*:*:*:*:*

More vulnerabilities in Home-assistant

CVE-2023-27482 — Critical (CVSS 10.0): homeassistant is an open source home automation tool. A remotely exploitable vulnerability bypassing authentication for…
CVE-2023-41897 — High (CVSS 8.8): Home assistant is an open source home automation. Home Assistant server does not set any HTTP security headers,…
CVE-2023-41895 — High (CVSS 8.8): Home assistant is an open source home automation. The Home Assistant login page allows users to use their local Home…
CVE-2026-54317 — High (CVSS 7.6): Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2026.6.0,…
CVE-2020-36517 — High (CVSS 7.5): An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS…
CVE-2018-21019 — High (CVSS 7.5): Home Assistant before 0.67.0 was vulnerable to an information disclosure that allowed an unauthenticated attacker to…

All CVEs affecting Home-assistant →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →