Path Traversal Vulnerability in Piwigo Image Derivative Handler
CVE-2026-84441

6.9MEDIUM

Key Information:

Vendor

Piwigo

Status
Piwigo
Vendor
CVE Published:
2 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-84441?

A vulnerability exists in the Piwigo Image Derivative Handler affecting versions up to 16.3.0, allowing attackers to exploit the i.php file through a path traversal attack. This security flaw could enable unauthorized access to system files, potentially leading to the disclosure of sensitive information. Remote exploitation is feasible, as the vulnerability has been publicly disclosed. Users of Piwigo are urged to apply the necessary updates to mitigate risks.

Affected Version(s)

Piwigo 16.0

Piwigo 16.1

Piwigo 16.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-84441 - Proof of Concept

References

https://vuldb.com/vuln/397806
vdb-entry
https://vuldb.com/vuln/397806/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-84441
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Leousum (VulDB User)
.