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VulnerabilityPublished Updated

CVE-2026-54445: Vantage6 · Set admin user and password from environment or configuration

Affects vantage6Source GCVE Database

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Not known to be exploited · CVSS 6.9 Medium : upgrade to 5.0.0 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.0.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Jun 2026

  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 29 Oct 2026.

What to do

Upgrade vantage6 to 5.0.0.

Affected software

ProductAffectedFixed in
PyPIvantage6Affected
  • <5.0.0
Fixed in
  • 5.0.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Administrators should delete the default 'root' user after creating other users to mitigate the risk. Alternatively, configure the initial root password via an environment variable or configuration file as a temporary workaround to avoid using the default weak password.

Description

Vantage6 versions prior to 5.0.0 create an initial administrative user with a default username 'root' and password 'root'. This default credential is weak and widely known, increasing the risk that attackers could gain administrative access if the password is not changed. A temporary mitigation includes setting the initial root password via an environment variable or configuration file to avoid using the default password.

References

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