Lucene search
+L

CVE-2026-66749

🗓️ 28 Jul 2026 15:30:46Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 34 Views🌐 WEB

Authenticated users crash the server via null dereference in room lookup with a 24-char hex ID.

Related
Detection
Affected
Refs
Paths
Vulners
Node
OR
sdelementslets-chatRange0.4.0–0.4.8
sdelementslets-chatRange84981a6d2534445c00ea4e095c934e46943c0b1d–617207ff3c0c0bf8e3c7a915bd9ec03f1dd8390c
[
  {
    "defaultStatus": "affected",
    "vendor": "sdelements",
    "product": "lets-chat",
    "packageURL": "pkg:github/sdelements/lets-chat",
    "repo": "https://github.com/sdelements/lets-chat",
    "versions": [
      {
        "status": "affected",
        "version": "0.4.0",
        "versionType": "semver",
        "lessThanOrEqual": "0.4.8"
      },
      {
        "status": "affected",
        "version": "84981a6d2534445c00ea4e095c934e46943c0b1d",
        "versionType": "git",
        "lessThanOrEqual": "617207ff3c0c0bf8e3c7a915bd9ec03f1dd8390c"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
roomquery param/messagesAuthenticated attacker can supply a valid but nonexistent room id in the room query parameter to trigger an uncaught exception, crashing the Node.js server.CWE-476
roompath/rooms/:room/messagesMissing room validation in the room-scoped messages route can dereference a null room and crash the server when the room id does not exist.CWE-476

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

30 Jul 2026 16:41Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
CVSS 47.1
EPSS0.00436
SSVC
34