CVE Details
CVE-2026-102764
BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
Published: 2026-10-16
CVSS: 9.3 CRITICAL
Product: BeyondTrust Remote Support
Due Date: 2026-10-19
BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
GitHub PoC
Warning: GitHub PoC repositories are unverified. Some may be fake
or contain malware. Use caution and review code before running anything.
FIRST EPSS
EPSS estimates the probability of exploitation in the next 30 days. Higher values indicate higher likelihood of real-world exploitation.
No EPSS data.
Timeline
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GitHub
FIRST (EPSS)
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References
Show Raw Data
| Key | Remaining Key | Value |
|---|---|---|
| dataType | CVE_RECORD | |
| dataVersion | 5.2 | |
| cveMetadata > | cveId | CVE-2026-102764 |
| cveMetadata > | assignerOrgId | 13061848-ea10-403d-bd75-c83a022c2891 |
| cveMetadata > | state | PUBLISHED |
| cveMetadata > | assignerShortName | BT |
| cveMetadata > | dateReserved | 2026-09-29T16:29:20.011Z |
| cveMetadata > | datePublished | 2026-10-15T20:30:32.240Z |
| cveMetadata > | dateUpdated | 2026-10-16T17:54:22.728Z |
| containers > | cna > providerMetadata > orgId | 13061848-ea10-403d-bd75-c83a022c2891 |
| containers > | cna > providerMetadata > shortName | BT |
| containers > | cna > providerMetadata > dateUpdated | 2026-10-15T20:30:32.240Z |
| containers > | cna > title | Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support |
| containers > | cna > problemTypes > 0 > descriptions > 0 > lang | en |
| containers > | cna > problemTypes > 0 > descriptions > 0 > cweId | CWE-290 |
| containers > | cna > problemTypes > 0 > descriptions > 0 > description | CWE-290 Authentication bypass by spoofing |
| containers > | cna > problemTypes > 0 > descriptions > 0 > type | CWE |
| containers > | cna > impacts > 0 > capecId | CAPEC-194 |
| containers > | cna > impacts > 0 > descriptions > 0 > lang | en |
| containers > | cna > impacts > 0 > descriptions > 0 > value | CAPEC-194 Fake the Source of Data |
| containers > | cna > affected > 0 > vendor | BeyondTrust |
| containers > | cna > affected > 0 > product | Remote Support |
| containers > | cna > affected > 0 > versions > 0 > status | affected |
| containers > | cna > affected > 0 > versions > 0 > version | 0 |
| containers > | cna > affected > 0 > versions > 0 > lessThanOrEqual | 26.2.3 |
| containers > | cna > affected > 0 > versions > 0 > versionType | custom |
| containers > | cna > affected > 0 > defaultStatus | unaffected |
| containers > | cna > descriptions > 0 > lang | en |
| containers > | cna > descriptions > 0 > value | The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could allow an attacker to perform file operations on the appliance. |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > type | text/html |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > base64 | False |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > value | <p>The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could allow an attacker to perform file operations on the appliance. </p> |
| containers > | cna > references > 0 > url | https://nvd.nist.gov/vuln/detail/CVE-2026-102764 |
| containers > | cna > references > 1 > url | https://www.beyondtrust.com/blog/entry/bt26-05 |
| containers > | cna > references > 2 > url | https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0024066 |
| containers > | cna > metrics > 0 > format | CVSS |
| containers > | cna > metrics > 0 > scenarios > 0 > lang | en |
| containers > | cna > metrics > 0 > scenarios > 0 > value | GENERAL |
| containers > | cna > metrics > 0 > cvssV4_0 > attackVector | NETWORK |
| containers > | cna > metrics > 0 > cvssV4_0 > attackComplexity | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > attackRequirements | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > privilegesRequired | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > userInteraction | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnConfidentialityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > subConfidentialityImpact | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnIntegrityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > subIntegrityImpact | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnAvailabilityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > subAvailabilityImpact | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > exploitMaturity | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > Safety | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > Automatable | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > Recovery | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > valueDensity | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnerabilityResponseEffort | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > providerUrgency | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > version | 4.0 |
| containers > | cna > metrics > 0 > cvssV4_0 > baseSeverity | CRITICAL |
| containers > | cna > metrics > 0 > cvssV4_0 > baseScore | 9.3 |
| containers > | cna > metrics > 0 > cvssV4_0 > vectorString | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| containers > | cna > source > discovery | UNKNOWN |
| containers > | cna > x_generator > engine | Vulnogram 1.0.5 |
| containers > | adp > 0 > metrics > 0 > other > type | ssvc |
| containers > | adp > 0 > metrics > 0 > other > content > id | CVE-2026-102764 |
| containers > | adp > 0 > metrics > 0 > other > content > role | CISA Coordinator |
| containers > | adp > 0 > metrics > 0 > other > content > options > 0 > Exploitation | active |
| containers > | adp > 0 > metrics > 0 > other > content > options > 1 > Automatable | yes |
| containers > | adp > 0 > metrics > 0 > other > content > options > 2 > Technical Impact | total |
| containers > | adp > 0 > metrics > 0 > other > content > version | 2.0.3 |
| containers > | adp > 0 > metrics > 0 > other > content > timestamp | 2026-10-16T17:50:04.760178Z |
| containers > | adp > 0 > references > 0 > url | https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102764 |
| containers > | adp > 0 > references > 0 > tags > 0 | government-resource |
| containers > | adp > 0 > title | CISA ADP Vulnrichment |
| containers > | adp > 0 > providerMetadata > orgId | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| containers > | adp > 0 > providerMetadata > shortName | CISA-ADP |
| containers > | adp > 0 > providerMetadata > dateUpdated | 2026-10-16T17:54:22.728Z |