CVE-2026-26096

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

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-26096	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:owlcyberdefense:opds-talon:2.2.0.4:*:*:*:*:*:*:*

cpe:2.3:h:owlcyberdefense:opds-100:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:owlcyberdefense:opds-talon:2.2.0.4:*:*:*:*:*:*:*

cpe:2.3:h:owlcyberdefense:opds-1000:-:*:*:*:*:*:*:*

History

27 Feb 2026, 17:07

Type	Values Removed	Values Added
References	~~() https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-26096 -~~	() https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-26096 - Third Party Advisory
Summary		(es) Asignación Incorrecta de Permisos para Recurso Crítico en Owl opds 2.2.0.4 permite la Manipulación de Archivos mediante una solicitud de red manipulada.
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
CPE		cpe:2.3:o:owlcyberdefense:opds-talon:2.2.0.4:::::::* cpe:2.3:h:owlcyberdefense:opds-100:-:::::::* cpe:2.3:h:owlcyberdefense:opds-1000:-:::::::*
First Time		Owlcyberdefense opds-talon Owlcyberdefense opds-100 Owlcyberdefense Owlcyberdefense opds-1000

20 Feb 2026, 17:25

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-20 17:25

Updated : 2026-02-27 17:07

NVD link : CVE-2026-26096

Mitre link : CVE-2026-26096

CVE.ORG link : CVE-2026-26096

JSON object : View

Products Affected

owlcyberdefense

opds-100
opds-1000
opds-talon

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

{"id": "CVE-2026-26096", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "prodsec@nozominetworks.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.5, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-20T17:25:54.163", "references": [{"url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-26096", "tags": ["Third Party Advisory"], "source": "prodsec@nozominetworks.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "prodsec@nozominetworks.com", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request."}, {"lang": "es", "value": "Asignaci\u00f3n Incorrecta de Permisos para Recurso Cr\u00edtico en Owl opds 2.2.0.4 permite la Manipulaci\u00f3n de Archivos mediante una solicitud de red manipulada."}], "lastModified": "2026-02-27T17:07:25.007", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:owlcyberdefense:opds-talon:2.2.0.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B979FF6-C6CD-47C0-9409-EBF036DB39E6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:owlcyberdefense:opds-100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "76B6558D-D323-40D3-99A7-909C24D49951"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:owlcyberdefense:opds-talon:2.2.0.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B979FF6-C6CD-47C0-9409-EBF036DB39E6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:owlcyberdefense:opds-1000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "FA72CA3A-BE76-49B0-A670-3EB19D29333D"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "prodsec@nozominetworks.com"}