Everest Backup: Code execution

An unauthenticated caller can reach server-side execution of attacker-controlled code according to the authoritative narrative. The export does not disclose the endpoint, parameter, execution function or underlying flaw, so a verified exploit sequence or concrete source-code patch cannot be derived from this record. The vector requires high attack complexity, but the additional prerequisite is not disclosed. Affected versions: <= 2.3.13. No fixed release is confirmed.

CVE / CNA score 8.1 CVSS 3.1 · audit@patchstack.com

NVD score Pending NVD has not published its own CVSS assessment.

Component: Everest Backup
Plugin slug: everest-backup
Affected: n/a through 2.3.13
Safe version: See mitigation notes
Published: Oct 10, 2026
Weakness: CWE-94 — Improper Control of Generation of Code ('Code Injection')

This CVE was published Oct 10, 2026 and is one of 8 known issues for this plugin.

What to do

Update, patch or deactivate.

No fixed release is confirmed. Disable the affected feature or deactivate the component until a confirmed fix is available. Application-level remediation: Remove the unsafe path from request input to executable operations. Apply strict operation allowlists and authorization; the export does not disclose enough implementation detail for a verified code-level patch.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

Unauthenticated Remote Code Execution (RCE) in Everest Backup <= 2.3.13 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Primary and upstream sources

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