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CVE-2026-66749 Let's Chat 0.4.0 - 0.4.8 Denial of Service via Null Dereference in Room Lookup

🗓️ 28 Jul 2026 15:30:46Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Authenticated attackers crash the server via a null dereference in room lookup using a valid 24-character hex room param.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-66749
28 Jul 202615:30
attackerkb
CVE
CVE-2026-66749
28 Jul 202615:30
cve
EUVD
EUVD-2026-49874
28 Jul 202618:33
euvd
NVD
CVE-2026-66749
28 Jul 202616:20
nvd
Positive Technologies
PT-2026-65519
28 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-66749 Let's Chat 0.4.0 - 0.4.8 Denial of Service via Null Dereference in Room Lookup
28 Jul 202615:30
vulnrichment
[
  {
    "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"
      }
    ]
  }
]

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