CVE-2026-73035

Summary

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 Software

Weaknesses

• CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences

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

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