CVE Explorer
CVE-2026-49402
Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.7.10, Deno's node:child_process implementation provided an escapeShellArg() helper used when callers passed shell: true to spawn / spawnSync / exec and friends. On Windows, the helper failed to quote arguments that contained cmd.exe metacharacters and did not neutralize % (which cmd.exe expands even inside double-quoted strings). An attacker who controlled any portion of an argument passed to such a call could inject arbitrary
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":"< 2.7.10"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:c4952e226fee848386aa75644877a775cbf25444e56b2dacc2a0e5ebebd32d77 · sha256:1075d066f5dcc6db… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"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:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:c4952e226fee848386aa75644877a775cbf25444e56b2dacc2a0e5ebebd32d77 · sha256:1075d066f5dcc6db… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:c4952e226fee848386aa75644877a775cbf25444e56b2dacc2a0e5ebebd32d77 · sha256:1075d066f5dcc6db… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/denoland/deno/security/advisories/GHSA-7xh3-mhg9-jcw8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/denoland/deno/security/advisories/GHSA-7xh3-mhg9-jcw8"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c4952e226fee848386aa75644877a775cbf25444e56b2dacc2a0e5ebebd32d77 · sha256:1075d066f5dcc6db… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/denoland/deno/security/advisories/GHSA-7xh3-mhg9-jcw8"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c4952e226fee848386aa75644877a775cbf25444e56b2dacc2a0e5ebebd32d77 · sha256:1075d066f5dcc6db… · /containers/adp/0/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.