UpHeron
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Servers and applications

CVE-2025-6011

A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

Severity
Low 3.7
Published
1 Aug 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.16.23, 1.18.12, 1.19.7, 1.20.1
Sources
NVD

Affected software

SoftwareAffected versions
HashiCorp VaultServers and applications · cpe:a:hashicorp:vault
  • Every version before 1.16.23
  • Every version before 1.20.1
  • From 1.17.0 before 1.18.12
  • From 1.19.0 before 1.19.7
  • Version 1.20.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-6011
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-6011