Hashicorp Vault: Mehrere Schwachstellen
WID-SEC-2026-3803 · first 08.10.2026 · updated 08.10.2026 · CVSS 8,0
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 beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen oder seine Privilegien zu erweitern.
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
- beliebigen Programmcode auszuführen
- Sicherheitsmaßnahmen zu umgehen oder seine Privilegien zu erweitern
Am I affected?
Affected according to the BSI:
- Hashicorp Vault <2.1.2
- Hashicorp Vault <1.21.12
- Hashicorp Vault <1.20.17
- Hashicorp Vault <1.19.23
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Hashicorp Vault 2.1.2
- Hashicorp Vault 1.21.12
- Hashicorp Vault 1.20.17
- Hashicorp Vault 1.19.23
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 Bulletin vom 2026-10-07 discuss.hashicorp.com
- Hashicorp Security Bulletin vom 2026-10-07 discuss.hashicorp.com
- Hashicorp Security Bulletin vom 2026-10-07 discuss.hashicorp.com
- Hashicorp Security Bulletin vom 2026-10-07 discuss.hashicorp.com
CVE: CVE-2026-105816, CVE-2026-105818, CVE-2026-105820, CVE-2026-89322
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.