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CVE-2026-7840 UltraVNC repeater HTTP server global buffer overflow via long URI (pre-auth RCE)
| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-7840 | 1 Jul 202603:33 | – | attackerkb |
 | CVE-2026-7840 | 1 Jul 202603:33 | – | cve |
 | EUVD-2026-40886 | 1 Jul 202603:33 | – | euvd |
 | CVE-2026-7840 | 1 Jul 202605:16 | – | nvd |
 | PT-2026-54490 | 1 Jul 202600:00 | – | ptsecurity |
 | CVE-2026-7840 UltraVNC repeater HTTP server global buffer overflow via long URI (pre-auth RCE) | 1 Jul 202603:33 | – | vulnrichment |
[
{
"vendor": "uvnc",
"product": "UltraVNC",
"versions": [
{
"version": "0",
"lessThanOrEqual": "1.8.2.2",
"status": "affected",
"versionType": "custom"
}
],
"defaultStatus": "unaffected",
"modules": [
"repeater"
]
}
]| Source | Link |
|---|---|
| github | www.github.com/ultravnc/UltraVNC |
| uvnc | www.uvnc.com/ |
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01 Jul 2026 03:33Current
CVSS 49.3
CVSS 3.19.8