CVE Feed

    Dashboard / CVE / CVE-2025-6203

    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 Enterprise 1.20.3, 1.19.9, 1.18.14, and 1.16.25.

    Published:Aug 28, 2025
    Last Modified:Dec 18, 2025
    EPS:Aug 28, 2025
    EPSS Score:0.00025
    CVSS Score:7.5

    Affected Products

    Vendor
    Hashicorp
    Product
    Vault
    Vendor
    Hashicorp
    Product
    Vault Enterprise

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-5006 (CVSS 6.8) — A vulnerability was identified in HashiCorp Vault and Vault Enterprise (“Vault”) such that an authenticated at…
    CVE-2026-12624 (CVSS 4.3) — Vault’s ACL policy engine did not consistently enforce a wildcard (glob) deny rule against LIST requests made …
    CVE-2026-5051 (CVSS 4.4) — HashiCorp Vault and Vault Enterprise prior to 2.0.1 audit device validation logic did not consistently apply p…
    CVE-2026-5807 (CVSS 7.5) — Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate…
    CVE-2026-4525 (CVSS 7.5) — If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header…
    CVE-2026-5052 (CVSS 5.3) — Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challen…
    CVE-2026-3605 (CVSS 8.1) — An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secr…
    CVE-2025-12044 (CVSS 7.5) — Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JS…
    CVE-2025-11621 (CVSS 8.1) — Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass if the role…
    CVE-2025-6013 (CVSS 6.5) — Vault and Vault Enterprise’s (“Vault”) ldap auth method may not have correctly enforced MFA if username_as_ali…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High