CVE-2026-27973
4.0 · MEDIUMOverview
CVE-2026-27973 is a medium-severity vulnerability affecting audiobookshelf audiobookshelf. It was published on February 26, 2026 and has a CVSS 3.1 base score of 4.0 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Audiobookshelf is a self-hosted audiobook and podcast server. A stored cross-site scripting (XSS) vulnerability exists in versions prior to 0.12.0-beta of the Audiobookshelf mobile application that allows arbitrary JavaScript execution through malicious library metadata. Attackers with library modification privileges can execute code in victim users' browsers/WebViews, potentially leading to session hijacking, data exfiltration, and unauthorized access to native device APIs. The issue is fixed in audiobookshelf-app version 0.12.0-beta, corresponding to audiobookshelf version 2.12.0.
Remediation
Check the references section for vendor advisories and patches from audiobookshelf. Update audiobookshelf to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| audiobookshelf | audiobookshelf | >= 0, < 2.12.0 | Affected |
| audiobookshelf | audiobookshelf_mobile_app | >= 0, < 0.12.0 | Affected |
Frequently Asked Questions
What is CVE-2026-27973?
CVE-2026-27973 is a medium-severity vulnerability affecting audiobookshelf audiobookshelf. It was published on February 26, 2026 and has a CVSS 3.1 base score of 4.0 (MEDIUM).
How severe is CVE-2026-27973?
This vulnerability has a CVSS 3.1 base score of 4.0, 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-2026-27973?
Check the references section for vendor advisories and patches from audiobookshelf. Update audiobookshelf to the latest patched version. 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-2026-27973?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-27973 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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