CVE-2026-47784
highpriority · track · 0EPSS 0.005 · 46 %ileDEEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (11)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1615memcached: Mehrere Schwachstellen ermöglichen Umgehen von SicherheitsvorkehrungenDeutsch2026-05-20csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in memcached ausnutzen, um vertrauliche Informationen offenzulegen und die Authentifizierung zu umgehen, was möglicherweise weitere Angriffe ermöglicht.
- BIT-memcached-2026-477842026-05-22vendor · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://memcached.org/downloadsPatchcnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47784cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-47784cnnvd
- https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fedenisa_euvd
- https://github.com/memcached/memcached/compare/1.6.41...1.6.42enisa_euvd
- https://github.com/memcached/memcached/wiki/ReleaseNotes1642enisa_euvd
- https://github.com/memcached/memcached/commit/d13f282b4bce33a9c33b8a1bbf07f12114160fedPatchnvd
- https://github.com/memcached/memcached/compare/1.6.41...1.6.42Release Notesnvd
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