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CVE-2026-30783

A vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android, WebClient (Client signaling, API sync loop, config management modules) allows Privilege Abuse. This vulnerability is associated with program files src/rendezvous_mediator.Rs, src/hbbs_http/sync.Rs and program routines API sync loop, api-server config handling. This issue affects RustDesk Client: through 1.4.8.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9e06db3d8cd900e6fdf3c6e2ff55889dae2c0e473f097b390ff155052749b783
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-602","description":"CWE-602 Client-Side Enforcement of Server-Side Security","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-841","description":"CWE-841 Improper Enforcement of Behavioral Workflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/problemTypes/0/descriptions/1

Affected products and versions

1 source assertion
{"collectionURL":"https://github.com/rustdesk/rustdesk/releases","defaultStatus":"affected","modules":["Client signaling","API sync loop","config management"],"packageName":"rustdesk-client","platforms":["Windows","MacOS","Linux","iOS","Android","WebClient"],"product":"RustDesk Client","programFiles":["src/rendezvous_mediator.rs","src/hbbs_http/sync.rs"],"programRoutines":[{"name":"API sync loop"},{"name":"api-server config handling"}],"repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","vendor":"rustdesk-client","versions":[{"lessThanOrEqual":"1.4.8","status":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-602","description":"CWE-602 Client-Side Enforcement of Server-Side Security","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-841","description":"CWE-841 Improper Enforcement of Behavioral Workflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/problemTypes/0/descriptions/1

Source references

3 source assertions
{"tags":["third-party-advisory","exploit"],"url":"https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/references/1
{"tags":["technical-description","x_--config documentation"],"url":"https://rustdesk.com/docs/en/client/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/references/0
{"tags":["vdb-entry","third-party-advisory"],"url":"https://www.vulsec.org/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a83e0ff18c10eb45bca8fa9cd5f1e99ce46370e314eefaaa5493c895a524e945 · sha256:59ca133fdeed25be… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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