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CVE-2026-55168

6.5 · MEDIUM

Runtipi is a personal homeserver orchestrator.

Published Aug 21, 2026CWE-59EPSS 0.61%

Overview

CVE-2026-55168 is a medium-severity vulnerability. It was published on August 21, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Runtipi is a personal homeserver orchestrator. In 4.10.0 and earlier, Runtipi accepts symbolic links from an attacker-controlled backup archive and copies them into live application paths during the backup restore flow. An authenticated attacker can plant user-config/app.env as a symlink to an arbitrary reachable path and then send PUT /api/user-config/demoapp3:_user with attacker-controlled appEnv content. FilesystemService.writeTextFile() follows the planted link, allowing content to be written outside the intended restore and user-config directory boundary with Runtipi process permissions. This issue is fixed in version 4.10.1.

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/runtipi/runtipi/commit/df529a211b05f3a0007b209b6c337f8c1942619cGitHubgithub.com/runtipi/runtipi/pull/2606GitHubgithub.com/runtipi/runtipi/releases/tag/v4.10.1GitHubgithub.com/runtipi/runtipi/security/advisories/GHSA-wcrf-g9p9-2wg7GitHubgithub.com/runtipi/runtipi/security/advisories/GHSA-wcrf-g9p9-2wg7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-55168?

CVE-2026-55168 is a medium-severity vulnerability. It was published on August 21, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-55168?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-55168?

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-2026-55168?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-55168 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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