CVE Explorer
CVE-2026-30796
Cleartext Transmission of Sensitive Information, Insufficiently Protected Credentials vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (Address book sync, Heartbeat sync loop modules) allows Sniffing Attacks.
The client places the preset address-book password verbatim into the heartbeat sync JSON body (src/hbbs_http/sync.rs). Over an intact HTTPS session it is not exposed in transit, but it is a reusable shared secret rather than a zero-kno
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://github.com/rustdesk/rustdesk/releases","defaultStatus":"affected","modules":["Address book sync","Heartbeat sync loop"],"packageName":"rustdesk-client","platforms":["Windows","MacOS","Linux","iOS","Android"],"product":"RustDesk Client","programFiles":["src/hbbs_http/sync.rs"],"programRoutines":[{"name":"heartbeat sync body builder (emits preset-address-book-password verbatim)"}],"repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","vendor":"rustdesk-client","versions":[{"changes":[{"at":"Server Pro","status":"affected"}],"lessThanOrEqua…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:18f26426e709d7407c5f7b495d13a819c50a3d6c18f84c8f05fefe6621b52722 · sha256:34a90e63af0a7604… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpa…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:18f26426e709d7407c5f7b495d13a819c50a3d6c18f84c8f05fefe6621b52722 · sha256:34a90e63af0a7604… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-522","description":"CWE-522 Insufficiently Protected Credentials","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:18f26426e709d7407c5f7b495d13a819c50a3d6c18f84c8f05fefe6621b52722 · sha256:34a90e63af0a7604… · /containers/cna/problemTypes/0/descriptions/0
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_v5referenceurn:baitaphish:normalized-source-record:v2:18f26426e709d7407c5f7b495d13a819c50a3d6c18f84c8f05fefe6621b52722 · sha256:34a90e63af0a7604… · /containers/cna/references/1
{"tags":["technical-description","x_--config documentation"],"url":"https://rustdesk.com/docs/en/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:18f26426e709d7407c5f7b495d13a819c50a3d6c18f84c8f05fefe6621b52722 · sha256:34a90e63af0a7604… · /containers/cna/references/0
{"tags":["vdb-entry","third-party-advisory"],"url":"https://www.vulsec.org/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:18f26426e709d7407c5f7b495d13a819c50a3d6c18f84c8f05fefe6621b52722 · sha256:34a90e63af0a7604… · /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.