Vulnerability Report

CVE-2026-40893

Title: Arbitrary File Operations via ExifTool Tag Bypass

Arbitrary File Access

Proof Of Concept

No public PoC currently indexed for CVE-2026-40893.

CWE Category CWE-73

Published Date May 14, 2026

Modified Date May 18, 2026

Exploit Status Not Found

Score 8.2 CVSS v3.1

Exploit Probability (EPSS)

0.35%

Vulnerability Summary

CVE-2026-40893: Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, Gotenberg only checks if the tag is exactly FileName, so System:FileName slips right through and ExifTool happily renames the file. This allows remote attackers to move, rename, and change permissions for arbitrary files. This vulnerability is fixed in 8.31.0.

Impacted Vendors

thecodingmachine 1

Reference Links

https://github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.2

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-40893 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

May 18, 2026 MODIFIED

Vulnerability data updated via NVD.

May 14, 2026 MODIFIED

Vulnerability data updated via NVD.

May 14, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Affected Stack

No specific products linked.