CVE-2026-78417 (GCVE-0-2026-78417)

Vulnerability from cvelistv5 – Published: 2026-08-24 18:26 – Updated: 2026-08-24 18:26
VLAI
Summary
Insufficient verification of data authenticity in the IronVNC client in Devolutions Remote Desktop Manager 2026.2.17.0 and earlier, 2026.1.24.0 and earlier, allows an on-path attacker to intercept and tamper with VNC sessions via automatic acceptance of the server's RSA key during RSA-AES authentication.
Severity
No CVSS data available.
CWE
  • CWE-345 - Insufficient Verification of Data Authenticity
Impacted products
Vendor Product Version CPE status
Devolutions Remote Desktop Manager Affected: 0 , < 2026.2.18 (custom)
guessed Create a notification for this product.
Devolutions Remote Desktop Manager Affected: 0 , < 2026.1.25 (custom)
guessed Create a notification for this product.
Show details on NVD website

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      ],
      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2026-08-24T18:26:25.739Z",
        "orgId": "bfee16bd-18e6-446c-9a65-f5b2e3d89c23",
        "shortName": "DEVOLUTIONS"
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      "references": [
        {
          "url": "https://devolutions.net/security/advisories/DEVO-2026-0029/"
        }
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        "advisory": "https://devolutions.net/security/advisories/DEVO-2026-0029/",
        "discovery": "UNKNOWN"
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    "datePublished": "2026-08-24T18:26:25.739Z",
    "dateReserved": "2026-08-24T15:10:53.447Z",
    "dateUpdated": "2026-08-24T18:26:25.739Z",
    "state": "PUBLISHED"
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  }
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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