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CVE-2026-40893

8.2 · HIGH

Gotenberg is a Docker-powered stateless API for PDF files.

Published May 14, 2026CWE-73EPSS 0.51%

Overview

CVE-2026-40893 is a high-severity vulnerability. It was published on May 14, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4GitHubgithub.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4

How CyberStrike helps

Frequently asked questions

What is CVE-2026-40893?

CVE-2026-40893 is a high-severity vulnerability. It was published on May 14, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2026-40893?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-40893?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-40893?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-40893 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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