Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1110 CNY

100%
Buy Us a Coffee

CVE-2026-47783

CVSS 8.1 · High EPSS 0.07% · P22

Possible ATT&CK Techniques 1AI

T1213 · Data from Information Repositories

Affected Version Matrix 1

VendorProductVersion RangeStatus
memcachedmemcached< 1.6.42affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-47783

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过时间差异性导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Memcached 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Memcached是美国memcached community社区的一套高性能的分布式内存对象缓存系统。 Memcached 1.6.42之前版本存在安全漏洞，该漏洞源于SASL密码数据库认证中用户名数据存在时序侧信道，因为sasl_server_userdb_checkpass在找到有效用户名后立即退出循环。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
memcachedmemcached 0 ~ 1.6.42 -

II. Public POCs for CVE-2026-47783

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 11408 chars
Paid plan includes:
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-47783

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-47783 (2)

Vendor Pages for CVE-2026-47783 (1)

IV. Related Vulnerabilities

Same product: memcached
Same vendor: memcached
Same weakness: CWE-208

V. Comments for CVE-2026-47783

No comments yet

Leave a comment