CVE-2026-110635CWE-78command-injection

CVE-2026-110635

Critical · published October 14, 2026

CVSS v3.1
9.8
EPSS
3%
Percentile
84.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · 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
EPSS
0.02521 · 84.7th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-10-14T19:17Z
References (7)
https://github.com/scionoftech/webp-converter · [email protected]https://github.com/scionoftech/webp-converter/blob/3729b65f1e904ab56b947ac3772020ce37a756c8/src/webpconverter.js#L41-L52 · [email protected]https://github.com/scionoftech/webp-converter/blob/e09d963d772cae9ff6af63c268ca838ab334f861/CHANGELOG.md · [email protected]https://github.com/scionoftech/webp-converter/commit/f1b6724bc2e89f67ab05d51a854b4b1c5a99928a · [email protected]https://github.com/scionoftech/webp-converter/pull/53 · [email protected]https://github.com/scionoftech/webp-converter/pull/53#issuecomment-5091652605 · [email protected]https://www.vulncheck.com/advisories/webp-converter-before-3.0.0-os-command-injection-via-file-names-and-options · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 3%
    epss
  • 14 OCT 14:17Z
    webp-converter before 3.0.0 OS Command Injection via File Names and Options
    cvelistv5
  • 14 OCT 14:17Z
    webp-converter before 3.0.0 OS Command Injection via File Names and Options
    cvelistv5