CVE-2026-107314 - pgjdbc does not enforce requireAuth when the value excludes every authentication method

CVE-2026-107314 - pgjdbc does not enforce requireAuth when the value excludes every authentication method

https://cvefeed.io/rssfeed/latest.atom / Thu, 10/08/2026 - 01:51
CVE ID :CVE-2026-107314
Published : Oct. 7, 2026, 11:17 p.m. | 29 minutes ago
Description :pgjdbc, the PostgreSQL JDBC Driver, versions 42.7.11 through 42.7.13 enforce no restriction when the requireAuth connection property excludes all six authentication methods the driver knows, for example requireAuth=!password,!md5,!gss,!sspi,!scram-sha-256,!none. The driver then accepts any method the server asks for, including cleartext password authentication. A value without a method in it, such as requireAuth=, (a single comma), is affected the same way. An attacker positioned between the application and its server can ask for cleartext password authentication and receive the database password. A positive list such as requireAuth=scram-sha-256, and a partial exclusion such as requireAuth=!password,!md5, are enforced correctly. The property has no default value, so a deployment that does not set it is not affected. 42.7.14 fixes the problem: such a connection is refused with SQLState 08004, and a value without a method in it is rejected as invalid.
Severity: 5.9 | MEDIUM
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