CVE Explorer

CVE-2026-23566

A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an attacker on the adjacent network to inject, tamper with, or forge log entries in \Nomad Branch.log via crafted data sent to the UDP network handler. This can impact log integrity and nonrepudiation.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:34702da01273316412c4122ccb3a145d904aae067024dbf3a08ff2ba55120ac0

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","modules":["Content Distribution Service","NomadBranch.exe"],"platforms":["Windows"],"product":"DEX","vendor":"TeamViewer","versions":[{"lessThan":"26.1","status":"affected","version":"0","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4c6b48831798d70f2d503c6374d5f220acf7705f32ccea4430bb6f1e6cd860f2 · sha256:b14cef610d64015f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:4c6b48831798d70f2d503c6374d5f220acf7705f32ccea4430bb6f1e6cd860f2 · sha256:b14cef610d64015f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:4c6b48831798d70f2d503c6374d5f220acf7705f32ccea4430bb6f1e6cd860f2 · sha256:b14cef610d64015f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4c6b48831798d70f2d503c6374d5f220acf7705f32ccea4430bb6f1e6cd860f2 · sha256:b14cef610d64015f… · /containers/cna/references/0

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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