CVE-2026-50575 (GCVE-0-2026-50575)
Vulnerability from cvelistv5 – Published: 2026-08-18 13:28 – Updated: 2026-08-18 13:28
VLAI
EPSS
VEX
Title
BetterDesk has a replay behavior vulnerability when devices are deleted
Summary
BetterDesk is a remote desktop management solution. BetterDesk versions through 2.3.0 improperly invalidate deleted device identities, allowing an unauthenticated client to replay or spoof a device ID and bypass registration controls. Version 3.0.0-alpha contains a patch. No known workarounds are available.
Severity
7.7 (High)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/UNITRONIX/BetterDesk/security/… | x_refsource_CONFIRM |
| https://github.com/UNITRONIX/BetterDesk/commit/f3… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| UNITRONIX | BetterDesk |
Affected:
< 3.0.0-alpha
|
guessed |
{
"containers": {
"cna": {
"affected": [
{
"product": "BetterDesk",
"vendor": "UNITRONIX",
"versions": [
{
"status": "affected",
"version": "\u003c 3.0.0-alpha"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "BetterDesk is a remote desktop management solution. BetterDesk versions through 2.3.0 improperly invalidate deleted device identities, allowing an unauthenticated client to replay or spoof a device ID and bypass registration controls. Version 3.0.0-alpha contains a patch. No known workarounds are available."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-294",
"description": "CWE-294: Authentication Bypass by Capture-replay",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-345",
"description": "CWE-345: Insufficient Verification of Data Authenticity",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-672",
"description": "CWE-672: Operation on a Resource after Expiration or Release",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T13:28:28.069Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/UNITRONIX/BetterDesk/security/advisories/GHSA-3v82-3gf8-fxx8",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/UNITRONIX/BetterDesk/security/advisories/GHSA-3v82-3gf8-fxx8"
},
{
"name": "https://github.com/UNITRONIX/BetterDesk/commit/f3b4df28240694b174158335e4c0c51c8dfbe4ab",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/UNITRONIX/BetterDesk/commit/f3b4df28240694b174158335e4c0c51c8dfbe4ab"
}
],
"source": {
"advisory": "GHSA-3v82-3gf8-fxx8",
"discovery": "UNKNOWN"
},
"title": "BetterDesk has a replay behavior vulnerability when devices are deleted"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-50575",
"datePublished": "2026-08-18T13:28:28.069Z",
"dateReserved": "2026-06-04T21:34:34.427Z",
"dateUpdated": "2026-08-18T13:28:28.069Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-50575\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-08-18T14:17:10.117\",\"lastModified\":\"2026-08-18T14:17:10.117\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"BetterDesk is a remote desktop management solution. BetterDesk versions through 2.3.0 improperly invalidate deleted device identities, allowing an unauthenticated client to replay or spoof a device ID and bypass registration controls. Version 3.0.0-alpha contains a patch. No known workarounds are available.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"UNITRONIX\",\"product\":\"BetterDesk\",\"versions\":[{\"version\":\"\u003c 3.0.0-alpha\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.2,\"impactScore\":5.5}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-294\"},{\"lang\":\"en\",\"value\":\"CWE-345\"},{\"lang\":\"en\",\"value\":\"CWE-672\"}]}],\"references\":[{\"url\":\"https://github.com/UNITRONIX/BetterDesk/commit/f3b4df28240694b174158335e4c0c51c8dfbe4ab\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/UNITRONIX/BetterDesk/security/advisories/GHSA-3v82-3gf8-fxx8\",\"source\":\"security-advisories@github.com\"}]}}"
}
}
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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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