CVE Explorer
CVE-2026-44726
Deno is a JavaScript, TypeScript, and WebAssembly runtime. From 2.0.0 until 2.7.8, a flaw in Deno's Node.js tls compatibility layer could cause a TLS client to transmit application data in plaintext after a connection retry. When `autoSelectFamily was enabled and the first address-family attempt failed, the socket reinitialization path reused a stale TLS upgrade hook that was bound to the original, failed handle. As a result, the replacement TCP connection was never upgraded to TLS, and any data
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"deno","vendor":"denoland","versions":[{"status":"affected","version":">= 2.0.0, < 2.7.8"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:10f4a9e6b5f2f7a438110e21febc2e4c86b095064295cd2d40751812087e708c · sha256:2db12252e7dd9480… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:10f4a9e6b5f2f7a438110e21febc2e4c86b095064295cd2d40751812087e708c · sha256:2db12252e7dd9480… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-319","description":"CWE-319: Cleartext Transmission of Sensitive Information","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:10f4a9e6b5f2f7a438110e21febc2e4c86b095064295cd2d40751812087e708c · sha256:2db12252e7dd9480… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/denoland/deno/security/advisories/GHSA-chqv-56wv-7564","tags":["x_refsource_CONFIRM"],"url":"https://github.com/denoland/deno/security/advisories/GHSA-chqv-56wv-7564"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:10f4a9e6b5f2f7a438110e21febc2e4c86b095064295cd2d40751812087e708c · sha256:2db12252e7dd9480… · /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.