What is CVE-2026-80138?

CVE-2026-80138 is a critical-severity vulnerability in Macwarrior Clipbucket-V5, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-25.

How severe is CVE-2026-80138?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Macwarrior Clipbucket-V5

CVE-2026-80138

ClipBucket V5's web installer fails to properly validate or escape the php_cli_filepath parameter before passing it to shell execution. Unauthenticated attackers can submit a crafted POST request to the installer with a malicious php_cli_filepath value to execute arbitrary commands as the web server user.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Macwarrior Clipbucket-v5

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-80138?: CVE-2026-80138 is a critical-severity vulnerability in Macwarrior Clipbucket-V5, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-25.
How severe is CVE-2026-80138?: Critical severity. CVSS v3 base score is 9.8 out of 10.