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CVE-2026-91131VulnerabilityPublished

ZDI-26-896: (Pwn2Own) Home Assistant Green Cleartext Storage of Credentials Local Privilege Escalation Vulnerability

Source Zero Day Initiative

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Not known to be exploited.

Data as of 6 Nov 2026, 22:39 UTC

Severity
High

Rated High by Zero Day Initiative · CVSS not yet scored by NVD

Exploitation evidence

  1. Disclosed: evidence found.

    Public on cve.org; its publication date is not in this record

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

AI-suggested

Since exploitation requires prior low-privileged code execution within a container, restricting container access and applying principle of least privilege may reduce risk. Monitor vendor advisories for official fixes or updates.

Description

A local privilege escalation vulnerability exists in Home Assistant Green due to cleartext storage of credentials. Exploitation requires an attacker to already have low-privileged code execution within a container on the affected system. The vulnerability has a high severity rating assigned by ZDI and is tracked as CVE-2026-91131.

References

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