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CVE-2026-108260

7.6 · HIGH

Tina is a headless content management system.

Published Oct 9, 2026CWE-79EPSS 0.25%

Overview

CVE-2026-108260 is a high-severity vulnerability. It was published on October 9, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Tina is a headless content management system. Prior to 0.2.1, the tina-markdown element in packages/@tinacms/web-components/src/tina-markdown.js assigns a rich-text node.url value directly to an anchor href without validating the URL scheme. A content author can store a link using a script-capable scheme, and a visitor who clicks the rendered link executes attacker-controlled script in the site's origin. The script can access same-origin application data and, when the visitor is an editor or administrator, may expose credentials stored by the TinaCMS admin on that origin. This issue is fixed in version 0.2.1.

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/tinacms/tinacms/commit/5295e077f0d279c35686a0e481a15e33a4877e3bGitHubgithub.com/tinacms/tinacms/pull/7523GitHubgithub.com/tinacms/tinacms/releases/tag/@tinacms/[email protected]GitHubgithub.com/tinacms/tinacms/security/advisories/GHSA-c42q-qvc3-j6vgGitHubgithub.com/tinacms/tinacms/security/advisories/GHSA-c42q-qvc3-j6vg

How CyberStrike helps

Frequently asked questions

What is CVE-2026-108260?

CVE-2026-108260 is a high-severity vulnerability. It was published on October 9, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

How severe is CVE-2026-108260?

This vulnerability has a CVSS 3.1 base score of 7.6, 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-2026-108260?

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-2026-108260?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-108260 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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