CVE-2026-47783

High

Open

TLP:CLEAR

NVD CVE.org

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Description

In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.

Details

CVSS Score: 8.1
EPSS Score ⓘ: 1.26%

67th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: May 20, 2026
Last Modified: Aug 11, 2026

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