All vulnerabilities

Servers and applications

CVE-2025-6203

A malicious user may submit a specially-crafted complex payload that otherwise meets the default request size limit which results in excessive memory and CPU consumption of Vault. This may lead to a timeout in Vault’s auditing subroutine, potentially resulting in the Vault server to become unresponsive. This vulnerability, CVE-2025-6203, is fixed in Vault Community Edition 1.20.3 and Vault…

Severity
High 7.5
Published
28 Aug 2025
Last changed
26 Sept 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.16.27, 1.18.15, 1.19.11, 1.20.5, 1.21.0
Sources
NVD

Affected software

SoftwareAffected versions
HashiCorp VaultServers and applications · cpe:a:hashicorp:vault
  • From 1.15.0 before 1.16.27
  • From 1.15.0 before 1.21.0
  • From 1.18.0 before 1.18.15
  • From 1.19.0 before 1.19.11
  • From 1.20.0 before 1.20.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-6203
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-6203