Vulnerability · Published Nov 5, 2026 · Assigned by Echo
CVE-2026-109408vault-java-driver: SslConfig silently disables requested TLS verification
High 7.4
In plain English
A high-severity improper certificate validation in vault-java-driver from jopenlibs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
vault-java-driver, a Java client for HashiCorp Vault, silently disables TLS certificate and hostname verification in three states where the caller asked for verification: an SslConfig passed to VaultConfig without calling build(), an SslConfig restored by Java deserialization, and VAULT_SSL_VERIFY set to a truthy value other than "true", such as 1, yes or on. In each case SslConfig.isVerify() returns false and the driver installs a trust-all SSLContext. An attacker on the network path to the Vault server can then read the Vault token and secrets in transit and forge responses. This issue affects io.github.jopenlibs:vault-java-driver 5.2.0 through 6.2.3. It is fixed in 7.0.0.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| jopenlibs | vault-java-driver | 5.2.0 – before 7.0.0 |
Weakness: CWE-636, CWE-295, CWE-297 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N