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CVE-2026-44296

Deskflow is a keyboard and mouse sharing app. Prior to 1.26.0.167, a remote, unauthenticated denial of service (DoS) vulnerability affects Deskflow servers running with TLS enabled (the default). When any TCP peer connects to the listening port and its first bytes do not parse as a valid TLS ClientHello, SecureSocket::secureAccept enters its fatal-error branch and calls Arch::sleep(1) (a blocking 1-second sleep) on the multiplexer worker thread. That thread services every socket on the server, i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cf2d57018aaf28c5e5e7d616c148e204036656bbc33f62d3401e169d82b1c600
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-405","description":"CWE-405: Asymmetric Resource Consumption (Amplification)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"deskflow","vendor":"deskflow","versions":[{"status":"affected","version":"< 1.26.0.167"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-405","description":"CWE-405: Asymmetric Resource Consumption (Amplification)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/deskflow/deskflow/commit/329783490bd16774ba903b84212467d20d76bfba","tags":["x_refsource_MISC"],"url":"https://github.com/deskflow/deskflow/commit/329783490bd16774ba903b84212467d20d76bfba"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /containers/cna/references/1
{"name":"https://github.com/deskflow/deskflow/security/advisories/GHSA-3mxm-cgh2-6448","tags":["x_refsource_CONFIRM"],"url":"https://github.com/deskflow/deskflow/security/advisories/GHSA-3mxm-cgh2-6448"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9fd822e8026f9e3d1cd2e316e6c02f5b9996fb512ae48059119e2e999abc3185 · sha256:04131330cdf9dac8… · /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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