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CVE-2026-105314

7.5 · HIGH

Papermerge 3.5.3 allows remote code execution by a standard user via directory traversal in a /api/documents/upload call.

Published Oct 5, 2026CWE-24EPSS 1.13%

Overview

CVE-2026-105314 is a high-severity vulnerability. It was published on October 5, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Papermerge 3.5.3 allows remote code execution by a standard user via directory traversal in a /api/documents/upload call. A Python .pth file can be written to site-packages, and its code is executed upon the next start of the Python interpreter.

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/kashishtopi/cve-pocs/blob/main/papermerge-core-arbitrary-file-write-rce/HR-papermerge-core-path-traversal-rce.pdfGitHubgithub.com/kashishtopi/cve-pocs/tree/main/papermerge-core-arbitrary-file-write-rceGitHubgithub.com/papermerge/papermerge-core/blob/master/papermerge/core/features/document/router.pyGitHubgithub.com/papermerge/papermerge-core/blob/master/papermerge/core/pathlib.py

How CyberStrike helps

Frequently asked questions

What is CVE-2026-105314?

CVE-2026-105314 is a high-severity vulnerability. It was published on October 5, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-105314?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-105314?

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-2026-105314?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-105314 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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