CVE-2026-47784

HIGHCVSS 8.1/10EPSS 0.55%

Last modified

CVE-2026-47784 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.

Metrics

CVSS 3.1
8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.55%

41.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MemcachedMemcached< 1.6.42

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-47784?
In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.
How severe is CVE-2026-47784?
CVE-2026-47784 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2026-47784?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-47784?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST