Is CVE-2026-47783 actively exploited?

No active exploitation of CVE-2026-47783 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-47783 be exploited remotely?

Yes. CVE-2026-47783 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-47783?

CVE-2026-47783 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2026-47783

CWE-208Published: May 20, 2026· Updated: May 21, 2026

8.1

CVSS v3.1

EPSS:0.07%probability of exploitation in 30 daysPercentile:21.7th

Official 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.

NVD Source

Technical Analysis

CVE-2026-47783 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.