What is the CVSS score of CVE-2026-26101?

CVE-2026-26101 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Opds Talon are affected by CVE-2026-26101?

Opds-Talon versions through 2.2.0.4 contain a critical permission flaw that could allow unauthorized users to access sensitive resources.

How to fix or mitigate CVE-2026-26101?

Within 24 hours: Identify all systems running Opds-Talon up to version 2.2.0.4 and isolate affected instances from production networks if possible. Within 7 days: Implement compensating controls (WAF rules, access restrictions) and establish continuous monitoring for suspicious access patterns. Within 30 days: Upgrade to version 2.2.0.5 or later when vendor patch becomes available, or evaluate alternative solutions if patch timeline is unacceptable.

Opds Talon CVE-2026-26101

HIGH

Incorrect Permission Assignment for Critical Resource (CWE-732)

2026-02-20 prodsec@nozominetworks.com

Privilege Escalation Opds Talon

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 20, 2026 - 17:25 nvd

HIGH 7.8

DescriptionCVE.org

Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.

AnalysisAI

Opds-Talon versions up to 2.2.0.4 is affected by incorrect permission assignment for critical resource (CVSS 7.8).

Technical ContextAI

This vulnerability (CWE-732: Incorrect Permission Assignment for Critical Resource) affects Opds-Talon. Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.