{"id":"CVE-2026-73035","state":"PUBLISHED","title":"npm-check-updates 23.0.2 Terminal Injection via Unsanitized Escape Sequences","description":"npm-check-updates through 23.0.2, fixed in commit b554b84, contains a terminal escape sequence injection vulnerability that allows an attacker to embed arbitrary terminal control characters in a dependency's package.json homepage or repository URL fields. When a developer runs ncu with the --format homepage or --format repo option, unfiltered escape sequences are written directly to the terminal, enabling malicious output manipulation or other terminal-dependent effects.","publishedAt":"2026-08-10T20:19:40.888Z","updatedAt":"2026-08-11T14:34:44.879Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["raineorshine npm-check-updates"],"affected":[{"vendor":"raineorshine","product":"npm-check-updates","packageURL":"pkg:github/raineorshine/npm-check-updates","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"23.0.2","versionType":"semver"},{"version":"b554b84848fc0b08a9d2b3d3db15e351387168cf","status":"unaffected","versionType":"git"}],"repo":"https://github.com/raineorshine/npm-check-updates"}],"references":["https://github.com/raineorshine/npm-check-updates/issues/1988","https://github.com/raineorshine/npm-check-updates/pull/1994","https://github.com/raineorshine/npm-check-updates/commit/b554b84848fc0b08a9d2b3d3db15e351387168cf","https://www.vulncheck.com/advisories/npm-check-updates-terminal-injection-via-unsanitized-escape-sequences"],"weaknesses":["CWE-150"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73035.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73035","state":"PUBLISHED","datePublished":"2026-08-10T20:19:40.888Z","dateUpdated":"2026-08-11T14:34:44.879Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-10T18:48:59.023Z"},"containers":{"cna":{"title":"npm-check-updates 23.0.2 Terminal Injection via Unsanitized Escape Sequences","descriptions":[{"lang":"en","value":"npm-check-updates through 23.0.2, fixed in commit b554b84, contains a terminal escape sequence injection vulnerability that allows an attacker to embed arbitrary terminal control characters in a dependency's package.json homepage or repository URL fields. When a developer runs ncu with the --format homepage or --format repo option, unfiltered escape sequences are written directly to the terminal, enabling malicious output manipulation or other terminal-dependent effects."}],"affected":[{"vendor":"raineorshine","product":"npm-check-updates","packageURL":"pkg:github/raineorshine/npm-check-updates","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"23.0.2","versionType":"semver"},{"version":"b554b84848fc0b08a9d2b3d3db15e351387168cf","status":"unaffected","versionType":"git"}],"repo":"https://github.com/raineorshine/npm-check-updates"}],"references":[{"url":"https://github.com/raineorshine/npm-check-updates/issues/1988","tags":["technical-description"],"name":"Researcher Disclosure"},{"url":"https://github.com/raineorshine/npm-check-updates/pull/1994","name":"Pull Request","tags":["issue-tracking"]},{"url":"https://github.com/raineorshine/npm-check-updates/commit/b554b84848fc0b08a9d2b3d3db15e351387168cf","name":"Patch Commit","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/npm-check-updates-terminal-injection-via-unsanitized-escape-sequences","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","version":"3.1","baseSeverity":"MEDIUM","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-150","lang":"en","description":"Improper Neutralization of Escape, Meta, or Control Sequences","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-08-10T20:19:40.888Z"},"tags":["x_open-source"],"datePublic":"2026-08-07T00:00:00.000Z","credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T14:34:35.312398Z","id":"CVE-2026-73035","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T14:34:44.879Z"}}]}}}