Summary
generated automatically from NVD datawebp-converter versions before 3.0.0 have an OS command injection flaw (CWE-78) in the helpers in src/webpconverter.js, which run libwebp binaries through execFile with the shell option enabled. An attacker who controls file names or option strings passed to the cwebp, dwebp, gwebp, or webpmux functions can inject shell metacharacters and run OS commands with the privileges of the Node.js process. The flaw has a CVSS v3.1 score of 9.8 (CRITICAL).
NVD description
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.
EPSS · FIRST.org
2.5%probability of exploitation in the next 30 days
Higher than 84% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 14 oct. 2026
- Updated
- 16 oct. 2026
- Status
- Deferred
- Source
- disclosure@vulncheck.com
Weaknesses (CWE)
References (7)
Similar CVEs
Other vulnerabilities of type CWE-78
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