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8.5
Owl opds 2.2.0.4 allows unauthorized file access
CVE-2026-26096
Summary
A security issue in Owl opds 2.2.0.4 could allow an attacker to access and potentially modify files on the server. This could happen if an attacker sends a specially crafted request to the server. To stay safe, update to the latest version of Owl opds or block access to the vulnerable system until the update is applied.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| owlcyberdefense | opds-talon | 2.2.0.4 | – |
| owlcyberdefense | opds-talon | 2.2.0.4 | – |
Original title
Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.
Original description
Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.
nvd CVSS3.1
5.5
nvd CVSS4.0
8.5
Vulnerability type
CWE-732
Incorrect Permission Assignment for Critical Resource
- https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-26096 Third Party Advisory
Published: 20 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026