# CVE-2026-105476

Authenticated users can write root-owned files via cPanel link-resolution bug.

- Page: https://www.vulneraibility.com/cve/CVE-2026-105476
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-02)
- Weakness: CWE-59
- Published: 2026-11-02

## Affected versions

- WebPros cPanel: affected < 11.138.0.19; < 11.136.0.51; < 11.134.0.67; < 11.110.0.154

A version outside these ranges is not a statement that it is unaffected.

## Impact

Remote authenticated users can write arbitrary root-owned files, enabling privilege escalation to root and full host compromise.

## Action

Immediate action required

## Recommendation

Install vendor patch immediately; restrict access and audit for suspicious activity.

## References

- [other] https://support.cpanel.net/hc/en-us/articles/44356595655703-Security-CVE-2026-105476-Arbitrary-File-Write-as-Root-in-cPanel-WHM-October-20th-2026

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.