CVE-2026-78417 (GCVE-0-2026-78417)
Vulnerability from cvelistv5 – Published: 2026-08-24 18:26 – Updated: 2026-08-24 18:26
VLAI
EPSS
VEX
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
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Devolutions | Remote Desktop Manager |
Affected:
0 , < 2026.2.18
(custom)
|
guessed | |
| Devolutions | Remote Desktop Manager |
Affected:
0 , < 2026.1.25
(custom)
|
guessed |
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"providerMetadata": {
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"shortName": "DEVOLUTIONS"
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"references": [
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"url": "https://devolutions.net/security/advisories/DEVO-2026-0029/"
}
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"source": {
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"dateReserved": "2026-08-24T15:10:53.447Z",
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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