CVE•Published 2026-09-17•Modified 2026-09-18•1 article on news•4 live references•NVD data

CVE-2026-87886Acronis · Acronis_backup

Vulnerability data via NVD (ingested)

CVSS v3.1

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

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Weaknesses (CWE)

CWE-276Incorrect Default Permissions

Description

Local privilege escalation due to insecure file permissions. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Backup extension for Plesk (Linux) before build 1.8.11.638, Acronis Backup plugin for DirectAdmin (Linux) before build 1.2.3.238.

Timeline

Published 2026-09-17

Modified 2026-09-18

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-87886

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Acronis Acronis Backup"

All exposed Acronis Acronis Backup instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Acronis Backup"

HTTP body or banner mentions "Acronis Backup" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-87886