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CVE-2026-61843

8.2 · HIGH

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations.

Published Oct 14, 2026CWE-862EPSS 0.37%

Overview

CVE-2026-61843 is a high-severity vulnerability. It was published on October 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

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.18.0, FileRise upload-enabled shared-folder and upload-only links do not reject a destination filename that already exists. An unauthenticated visitor with a valid share token and any configured share password can upload a file with the same name as an existing file and silently replace its content while the original uploader metadata remains. The same replacement gap affects ordinary authenticated uploads through /api/upload/upload.php and authenticated upload-only users who lack edit authority over the existing file. This issue is fixed in version 3.18.0.

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/error311/FileRise/commit/9ed1a38f00918849dbda30f54291d1451ed80d11GitHubgithub.com/error311/FileRise/releases/tag/v3.18.0GitHubgithub.com/error311/FileRise/security/advisories/GHSA-r787-5hp3-4874GitHubgithub.com/error311/FileRise/security/advisories/GHSA-r787-5hp3-4874

How CyberStrike helps

Frequently asked questions

What is CVE-2026-61843?

CVE-2026-61843 is a high-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2026-61843?

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-2026-61843?

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-2026-61843?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-61843 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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