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CVE-2026-6478

MEDIUM · CVSS 6.5 EPSS 0.08%

Source: NVD + CISA KEV + EPSS · Published: 2026-05-14 · Last synced: 2026-06-09

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CVE
CVE-2026-6478
Severity
MEDIUM
CVSS
6.5
EPSS
0.08%

Original NVD Description

Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed passwords originating in upgrades from PostgreSQL 13 or earlier. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.