What is the CVSS score of CVE-2026-26093?

CVE-2026-26093 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of Opds Talon are affected by CVE-2026-26093?

A critical remote code execution vulnerability (CVE-2026-26093) in Owl OPDS 2.2.0.4 allows unauthenticated attackers to execute arbitrary commands on affected systems with a CVSS score of 9.8.

How to fix or mitigate CVE-2026-26093?

Within 24 hours: Identify and inventory all systems running Owl OPDS 2.2.0.4; isolate affected systems from production networks if operationally feasible; implement network-level access controls restricting inbound connections to OPDS services. Within 7 days: Deploy WAF rules to block command injection patterns; enable comprehensive logging and monitoring on OPDS services; conduct threat hunting for signs of exploitation. Within 30 days: Contact vendor for patch timeline; evaluate alternative OPDS solutions; if patch becomes available, apply immediately after testing in isolated environment.

Opds Talon CVE-2026-26093

CRITICAL

Command Injection (CWE-77)

2026-02-20 prodsec@nozominetworks.com

Command Injection Opds Talon

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

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

CRITICAL 9.8

DescriptionCVE.org

Improper Neutralization of Special Elements used in a Command ('Command Injection') in Owl opds 2.2.0.4 allows Command Injection via a crafted network request.