Description
Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.
Published: 2026-02-20
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: File Manipulation
Action: Patch
AI Analysis

Impact

Based on the description, the vulnerability involves incorrect permission assignments for a critical resource in Owl opds, a weakness classified as CWE‑732. An attacker can send a specifically crafted network request to modify or delete files on the affected system. This can compromise the confidentiality, integrity, or availability of the system’s file store.

Affected Systems

Based on the information presented, the vulnerability affects Owl CyberDefense Opds, specifically version 2.2.0.4. Other product variants are mentioned, but only 2.2.0.4 is confirmed to be affected.

Risk and Exploitability

The CVSS score of 6.8 indicates moderate severity, while the EPSS score of less than 1 % suggests a very low likelihood of exploitation at present. The vulnerability has not been reported in the CISA Known Exploited Vulnerabilities catalog, implying the absence of confirmed public exploits. Attackers are likely to target the Opds service over the network, and a crafted malicious request would allow remote manipulation of files. The attack vector is inferred to be remote network-based. If the system is exposed to untrusted networks, the risk is higher; isolating the service or limiting its exposure can reduce the attack surface.

Generated by OpenCVE AI on April 18, 2026 at 11:29 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply the vendor’s security update for Owl opds 2.2.0.4 when it becomes available.
  • Reconfigure the affected resource to grant only the minimum permissions required for operation, ensuring that file write or delete rights are removed for non‑privileged users.
  • Monitor file integrity and audit logs for unexpected changes, and deploy network segmentation or firewall rules to restrict access to the Opds service from untrusted hosts.

Generated by OpenCVE AI on April 18, 2026 at 11:29 UTC.

Tracking

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Advisories

No advisories yet.

History

Fri, 27 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Owlcyberdefense
Owlcyberdefense opds-100
Owlcyberdefense opds-1000
Owlcyberdefense opds-talon
CPEs cpe:2.3:h:owlcyberdefense:opds-1000:-:*:*:*:*:*:*:*
cpe:2.3:h:owlcyberdefense:opds-100:-:*:*:*:*:*:*:*
cpe:2.3:o:owlcyberdefense:opds-talon:2.2.0.4:*:*:*:*:*:*:*
Vendors & Products Owlcyberdefense
Owlcyberdefense opds-100
Owlcyberdefense opds-1000
Owlcyberdefense opds-talon
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}


Mon, 23 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Owl
Owl opds
Vendors & Products Owl
Owl opds

Sat, 21 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 20 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Description Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.
Title Incorrect Permission Assignment for Critical Resource in Owl opds
Weaknesses CWE-732
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Owl Opds
Owlcyberdefense Opds-100 Opds-1000 Opds-talon
cve-icon MITRE

Status: PUBLISHED

Assigner: Nozomi

Published:

Updated: 2026-02-20T23:03:13.913Z

Reserved: 2026-02-11T09:59:47.767Z

Link: CVE-2026-26100

cve-icon Vulnrichment

Updated: 2026-02-20T17:44:17.519Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-20T17:25:54.820

Modified: 2026-02-27T17:01:39.930

Link: CVE-2026-26100

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-18T11:30:44Z

Weaknesses