CVE-2026-110635: webp-converter before 3.0.0 contains an OS command injection vulnerability in src/webpconverter.js helpers tha

This week

CRITICAL 9.8REMOTE

CVE-2026-110635 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-10-14
Last modified	2026-10-26

Publisher (CNA): VulnCheck

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-14 15:17 UTCPublished CVE record published
2026-10-26 17:17 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · gcl · FIXED · 2.7.1-12.fc46 · FEDORA-2026-ff383a759b · source

sudo dnf upgrade --advisory=FEDORA-2026-ff383a759b

Fedora ELN · mozjs140 · FIXED · 140.13.0-5.eln159 · FEDORA-2026-f7ed0026e0 · source

sudo dnf upgrade --advisory=FEDORA-2026-f7ed0026e0

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-110635?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-110635 being exploited?

CVE-2026-110635 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-110635 affect?

CVE-2026-110635 affects affected software. Severity is critical (CVSS 9.8). 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,

How urgent is CVE-2026-110635?

Priority 63/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

References

← Back to latest CVEs