CVE-2026-55849

unknowncovered by 1 sourcefirst seen 2026-07-08

@cyclonedx/cyclonedx-npm creates CycloneDX Software Bill of Materials from npm projects. From 2.1.0 before 5.0.0, the CLI passes user-supplied --workspace values to a subshell without proper sanitization when npm_execpath is unset or empty, allowing arbitrary OS command execution with the privileges of the invoking user. This issue is fixed in version 5.0.0.

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Exploitation outlook

Low exploitation risk0.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-55849: @cyclonedx/cyclonedx-npm creates CycloneDX Software Bill of Materials from npm projects. From …nvd · 2026-07-08

External references

NVD record for CVE-2026-55849

CVE.org record

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