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Critical· 9.8official fix available

CVE-2026-25244

WebdriverIO versions older than 9.24.0 allow attackers to inject shell commands via branch names, enabling remote code execution on CI/CD servers and developer machines. The flaw can expose credentials, source code, and SSH keys, and can be used for supply chain attacks.

publishedMay 18, 2026
last modifiedJul 24, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
3%
85th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 24, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

WebdriverIO test automation framework, versions below 9.24.0, used by developers and CI/CD pipelines.

02

Real-world impact

An attacker can run arbitrary shell commands on the machine running WebdriverIO, potentially stealing secrets, exfiltrating source code, compromising the system, and tampering with build artifacts.

03

Why this severity

The CVSS score of 9.8 reflects that the vulnerability can be exploited over the network with no authentication, no user interaction, and gives full confidentiality, integrity, and availability impact.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade WebdriverIO to version 9.24.0 or later.
  2. 02Restart any services or pipelines that use WebdriverIO.

NVD-referenced vendor advisory

05

Timeline

  1. May 18, 2026 · May 18, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 24, 2026 · 11d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 25, 2026 · 10d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →