CVE-2026-110635

CVSS 9.8 (critical) · published 2026-10-14

webp-converter before 3.0.0 contains an OS command injection vulnerability in src/webpconverter.js helpers that run libwebp binaries via execFile with shell enabled. 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.

Weakness: CWE-78

Source: NVD CVE-2026-110635

References

• https://github.com/scionoftech/webp-converter
• https://github.com/scionoftech/webp-converter/blob/3729b65f1e904ab56b947ac3772020ce37a756c8/src/webpconverter.js#L41-L52
• https://github.com/scionoftech/webp-converter/blob/e09d963d772cae9ff6af63c268ca838ab334f861/CHANGELOG.md
• https://github.com/scionoftech/webp-converter/commit/f1b6724bc2e89f67ab05d51a854b4b1c5a99928a
• https://github.com/scionoftech/webp-converter/pull/53
• https://github.com/scionoftech/webp-converter/pull/53#issuecomment-5091652605
• https://www.vulncheck.com/advisories/webp-converter-before-3.0.0-os-command-injection-via-file-names-and-options

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