Hashicorp Vault Community Edition und Enterprise: Mehrere Schwachstellen
WID-SEC-2026-1164 · first 17.04.2026 · updated 17.04.2026 · CVSS 8,1
What it is about
Vault ist ein identitätsbasiertes System zur Verwaltung von Geheimnissen und Verschlüsselung. Ein Angreifer kann mehrere Schwachstellen in Hashicorp Vault ausnutzen, um Daten zu manipulieren, einen Denial-of-Service-Zustand zu verursachen oder vertrauliche Informationen offenzulegen, was möglicherweise eine Privilegienerweiterung ermöglicht.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- Daten zu manipulieren
- einen Denial-of-Service-Zustand zu verursachen oder vertrauliche Informationen offenzulegen
- was möglicherweise eine Privilegienerweiterung ermöglicht
Am I affected?
Affected according to the BSI:
- Hashicorp Vault Community Edition <2.0.0
- Hashicorp Vault Enterprise <2.0.0
- Hashicorp Vault Enterprise <1.21.5
- Hashicorp Vault Enterprise <1.20.10
- Hashicorp Vault Enterprise <1.19.16
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Hashicorp Vault Community Edition 2.0.0
- Hashicorp Vault Enterprise 2.0.0
- Hashicorp Vault Enterprise 1.21.5
- Hashicorp Vault Enterprise 1.20.10
- Hashicorp Vault Enterprise 1.19.16
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Hashicorp Security Advisory vom 2026-04-16 discuss.hashicorp.com
- Hashicorp Security Advisory vom 2026-04-16 discuss.hashicorp.com
- Hashicorp Security Advisory vom 2026-04-16 discuss.hashicorp.com
- Hashicorp Security Advisory vom 2026-04-16 discuss.hashicorp.com
CVE: CVE-2026-3605, CVE-2026-4525, CVE-2026-5052, CVE-2026-5807
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.