CVE-2018-19786 Information disclosure in n/a

What is CVE-2018-19786?

CVE-2018-19786 is a high-severity vulnerability in Hashicorp Vault, published on 5 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HashiCorp Vault before 1.0.0 writes the master key to the server log in certain unusual or misconfigured scenarios in which incorrect data comes from the autoseal mechanism without an error being reported.

Weakness: CWE-532

Which versions are affected by CVE-2018-19786?

It affects 1 product.

Products include Hashicorp Vault.

How do I fix CVE-2018-19786?

No fix has been published for CVE-2018-19786 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-19786 being exploited?

There is no known exploitation of CVE-2018-19786 in the wild and no public exploit code.

Other vulnerabilities in Hashicorp Vault

• CVE-2020-35192 Hardcoded credentials in n/a Critical 9.8
• CVE-2020-12757 Improper Input Validation in HashiCorp Vault Critical 9.8
• CVE-2025-6000 Arbitrary Remote Code Execution via Plugin Catalog Abuse Critical 9.1
• CVE-2022-40186 HashiCorp Vault vulnerable to incorrect metadata access Critical 9.1
• CVE-2022-36129 Missing authorization in n/a Critical 9.1

All Hashicorp Vault vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5jfh-x25r-v632.