Vulnerability in Owl Opds
CVE-2026-26100
Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Owl Opds — versions 0
- Owlcyberdefense Opds-100
- Owlcyberdefense Opds-1000
- Owlcyberdefense Opds-Talon — versions 2.2.0.4
Weakness classification (CWE)
References
- www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-26100 (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-26100?
- CVE-2026-26100 is a medium-severity vulnerability in Owl Opds, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2026-02-20.
- How severe is CVE-2026-26100?
- Medium severity. CVSS v3 base score is 5.5 out of 10.