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PatchSiren cyber security CVE debrief

CVE-2026-80138 MacWarrior CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-25T23:17:59.860Z and has not been modified since then. ClipBucket V5's web installer is vulnerable to unauthenticated OS command injection due to improper validation or escaping of the php_cli_filepath parameter. Attackers can submit a crafted POST request to execute arbitrary commands as the web server user. To defend against this vulnerability, it is essential to validate and secure the php_cli_filepath parameter in ClipBucket V5's web installer, restrict access to the web installer, and apply vendor patches or workarounds. System administrators, security teams, and developers responsible for ClipBucket V5 installations should be aware of this vulnerability and take immediate action to secure their systems. They should review the official CVE record and vendor guidance, assess their exposure, and apply patches or workarounds as recommended. Additionally, they should monitor for suspicious activity and perform thorough inventory checks to identify potentially affected systems.

Vendor
MacWarrior
Product
clipbucket-v5
CVSS
CRITICAL 9.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-25
Original CVE updated
2026-09-03
Advisory published
2026-08-25
Advisory updated
2026-09-03

Who should care

System administrators, security teams, and developers responsible for ClipBucket V5 installations should be aware of this vulnerability and take immediate action to secure their systems. They should review the official CVE record and vendor guidance, assess their exposure, and apply patches or workarounds as recommended. Additionally, they should monitor for suspicious activity and perform thorough inventory checks to identify potentially affected systems. IT operations teams and cybersecurity response teams should also be aware of this vulnerability and be prepared to respond to potential exploitation attempts.

Technical summary

ClipBucket V5's web installer is vulnerable to unauthenticated OS command injection due to improper validation or escaping of the php_cli_filepath parameter. Attackers can submit a crafted POST request to execute arbitrary commands as the web server user. To defend against this vulnerability, it is essential to validate and secure the php_cli_filepath parameter in ClipBucket V5's web installer, restrict access to the web installer, and apply vendor patches or workarounds.

Defensive priority

Authenticated attackers can exploit this vulnerability to execute arbitrary commands as the web server user. Immediate attention is required to validate and secure the php_cli_filepath parameter in ClipBucket V5's web installer.

Recommended defensive actions

  • Validate and secure the php_cli_filepath parameter in ClipBucket V5's web installer
  • Restrict access to the web installer
  • Monitor for suspicious activity
  • Apply vendor patches or workarounds
  • Perform thorough inventory checks

Evidence notes

The CVE description states that ClipBucket V5's web installer fails to properly validate or escape the php_cli_filepath parameter, allowing unauthenticated attackers to execute arbitrary commands as the web server user via a crafted POST request. To verify and mitigate this vulnerability, defenders should review the official CVE record and vendor guidance, assess their exposure, and apply patches or workarounds as recommended. Additionally, defenders should monitor for suspicious activity and perform thorough inventory checks to identify potentially affected systems.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-80138 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-80138

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-80138 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-80138

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.