cacti-fpd: Cacti - Full Path Disclosure

2026-01-16 Cacti PoC Public

Description

Detected a Full Path Disclosure (FPD) in Cacti when the log file is not writable. The error message reveals the absolute path of the log file on the server.

PoC

id: cacti-fpd

info:
  name: Cacti - Full Path Disclosure
  author: theamanrawat
  severity: low
  description: |
    Detected a Full Path Disclosure (FPD) in Cacti when the log file is not writable. The error message reveals the absolute path of the log file on the server.
  tags: cacti,fpd,exposure,path,misconfig,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}"
      - "{{BaseURL}}/cacti/"
      - "{{BaseURL}}/index.php"
      - "{{BaseURL}}/cacti/index.php"

    stop-at-first-match: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "System log file is not available for writing"
          - "please enable write access"
        condition: and

      - type: regex
        part: body
        regex:
          - 'Log:\s+([a-zA-Z0-9/\\_.-]+cacti\.log)'

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        part: body
        group: 1
        regex:
          - 'Log:\s+([a-zA-Z0-9/\\_.-]+cacti\.log)'
# digest: 4b0a00483046022100a93f3689580f99381d7c81463765aa800dc20745713ad152f47b08c8ea7a3d8e022100ea96b7f7ee77062bf6db5e5fc3df62ece689a2d35b5c2e95e7825b19a22b2f6e:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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