CVE-2026-5807 (GCVE-0-2026-5807)

Vulnerability from cvelistv5 – Published: 2026-04-17 03:22 – Updated: 2026-04-17 17:57
VLAI?
Title
Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations
Summary
Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This vulnerability, CVE-2026-5807, is fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
HashiCorp Vault Affected: 0 , < 2.0.0 (semver)
Create a notification for this product.
Credits
This issue was identified by XlabAI Team of Tencent Xuanwu Lab and the Atuin Automated Vulnerability Discovery Engine who reported it to HashiCorp.
Show details on NVD website
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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