Lucene search
K

CVE-2026-40263

🗓️ 16 Apr 2026 23:53:50Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 4 Views

Note Mark login timing leaks usernames; bcrypt runs only for existing users, enabling enumeration prior to version 0.19.2.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40263
16 Apr 202623:53
attackerkb
Circl
CVE-2026-40263
11 Apr 202615:12
circl
CNNVD
Note Mark 安全漏洞
17 Apr 202600:00
cnnvd
Cvelist
CVE-2026-40263 Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel
16 Apr 202623:53
cvelist
Github Security Blog
Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel
13 Apr 202619:31
github
NVD
CVE-2026-40263
17 Apr 202601:17
nvd
OSV
GHSA-W6M9-39CV-2FWP Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel
13 Apr 202619:31
osv
Positive Technologies
PT-2026-32119
11 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-40263
5 Jun 202619:45
redhatcve
Snyk
Timing Attack
17 Apr 202601:40
snyk
Rows per page
Vulners
Node
enchant97note-markRange<0.19.2
[
  {
    "vendor": "enchant97",
    "product": "note-mark",
    "versions": [
      {
        "version": "< 0.19.2",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

17 Jun 2026 10:44Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.13.7
EPSS0.002
SSVC
4