CVE-2026-110635
webp-converter before 3.0.0 OS Command Injection via File Names and Options
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | scionoftech |
| Product | webp-converter |
| Published | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
scionoftech / webp-converter
0 < 3.0.0
References
github.com: https://github.com/scionoftech/webp-converter/pull/53 github.com: https://github.com/scionoftech/webp-converter/pull/53#issuecomment-5091652605 github.com: https://github.com/scionoftech/webp-converter/commit/f1b6724bc2e89f67ab05d51a854b4b1c5a99928a github.com: https://github.com/scionoftech/webp-converter/blob/e09d963d772cae9ff6af63c268ca838ab334f861/CHANGELOG.md github.com: https://github.com/scionoftech/webp-converter/blob/3729b65f1e904ab56b947ac3772020ce37a756c8/src/webpconverter.js#L41-L52 github.com: https://github.com/scionoftech/webp-converter vulncheck.com: https://www.vulncheck.com/advisories/webp-converter-before-3.0.0-os-command-injection-via-file-names-and-options
Credits
Zachariah Mithani