CVE-2026-73035npm-check-updates 23.0.2 Terminal Injection via Unsanitized Escape Sequences
Updated under an hour ago ()
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It affects raineorshine npm-check-updates. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-150
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Aug 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
raineorshine npm-check-updates raineorshine:npm_check_updates (from the name) | through 23.0.2; b554b84848fc0b08a9d2b3d3db15e351387168cf not affected | CNA record |
References
- https://github.com/raineorshine/npm-check-updates/issues/1988technical-description
- https://github.com/raineorshine/npm-check-updates/pull/1994issue-tracking
- https://github.com/raineorshine/npm-check-updates/commit/b554b84848fc0b08a9d2b3d3db15e351387168cfpatch
- https://www.vulncheck.com/advisories/npm-check-updates-terminal-injection-via-unsanitized-escape-sequencesthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.