UpHeron
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Servers and applications

CVE-2025-12044

Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a previous fix for [+HCSEC-2025-24+|https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393]  which allowed for processing JSON payloads before applying rate limits. This vulnerability,…

Severity
High 7.5
Published
23 Oct 2025
Last changed
18 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.16.27, 1.20.5, 1.21.0
Sources
NVD

Affected software

SoftwareAffected versions
HashiCorp VaultServers and applications · cpe:a:hashicorp:vault
  • From 1.16.25 before 1.16.27
  • From 1.18.14 up to 1.18.15
  • From 1.19.9 up to 1.19.11
  • From 1.20.3 before 1.20.5
  • From 1.20.3 before 1.21.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-12044
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-12044