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Attackers controlling file names or option strings passed to cwebp, dwebp, gwebp, or webpmux functions can inject shell metacharacters to execute OS commands as the Node.js process.","state":0,"publishedAt":"2026-10-14T14:17:07.752+00:00","modifiedAt":"2026-10-26T16:10:32.954+00:00","affected":[{"ecosystem":"https://www.npmjs.com/package/webp-converter","name":"webp-converter","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"scionoftech\",\n                    \"product\": \"webp-converter\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:npm/webp-converter\",\n                    \"collectionURL\": \"https://www.npmjs.com/package/webp-converter\",\n                    \"repo\": \"https://github.com/scionoftech/webp-converter\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://github.com/scionoftech/webp-converter/pull/53","https://github.com/scionoftech/webp-converter/pull/53#issuecomment-5091652605","https://github.com/scionoftech/webp-converter/commit/f1b6724bc2e89f67ab05d51a854b4b1c5a99928a","https://github.com/scionoftech/webp-converter/blob/e09d963d772cae9ff6af63c268ca838ab334f861/CHANGELOG.md","https://github.com/scionoftech/webp-converter/blob/3729b65f1e904ab56b947ac3772020ce37a756c8/src/webpconverter.js#L41-L52","https://github.com/scionoftech/webp-converter","https://www.vulncheck.com/advisories/webp-converter-before-3.0.0-os-command-injection-via-file-names-and-options"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110635","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110635","identifiers":["CVE-2026-110635"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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