CVE-2026-73035: Improper Neutralization of Escape, Meta, or Control Sequences in raineorshine npm-check-updates
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.
CVE-2026-73035: Improper Neutralization of Escape, Meta, or Control Sequences in raineorshine npm-check-updates
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.
CVSS v4.0
Score 5.3medium
Affected software
pkg:github/npm-check-updatesRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-10T18:48:59.023Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7a3799bf8831d5397ff9ea
Added to database: 08/10/2026, 20:42:01 UTC
Last updated: 08/10/2026, 20:42:01 UTC
Views: 1
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