Cyber Resilience

CVE-2026-26099

High

Published: 20 February 2026

Published
20 February 2026
Modified
27 February 2026
KEV Added
—
Patch
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CVSS Score v4 8.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0011 1.5th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-26099 is a high-severity Uncontrolled Search Path Element (CWE-427) vulnerability in Owlcyberdefense Opds-Talon. Its CVSS base score is 8.4 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique DLL (T1574.001); ranked at the 1.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A08:2025 Software or Data Integrity Failures

EU & UK References

Vulnerability details

Uncontrolled Search Path Element in Owl opds 2.2.0.4 allows Leveraging/Manipulating Configuration File Search Paths via a crafted network request.

CWE(s)
CWE-427

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1574.001 DLL Stealth
Adversaries may abuse dynamic-link library files (DLLs) in order to achieve persistence, escalate privileges, and evade defenses.
attack.mitre.org →
T1574.008 Path Interception by Search Order Hijacking Stealth
Adversaries may execute their own malicious payloads by hijacking the search order used to load other programs.
attack.mitre.org →
Why these techniques?

CWE-427 uncontrolled search path directly enables DLL side-loading or search-order path interception for malicious binary/config loading.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

Affected Assets

owlcyberdefense
opds-talon
2.2.0.4

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References