How severe is CVE-2026-26102?

CVE-2026-26102 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26102 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26102?

CVE-2026-26102 affects Owlcyberdefense Opds-talon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26102?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26102 have an EU (EUVD) identifier?

Yes. CVE-2026-26102 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7763.

When was CVE-2026-26102 published?

CVE-2026-26102 was published on 2026-02-20 and last updated on 2026-06-17.

CVE-2026-26102

CVE-2026-26102 is a high-severity vulnerability in Owlcyberdefense Opds-talon with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7763
Weakness: CWE-732
Affected product: Owlcyberdefense Opds-talon
Published: 2026-02-20
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-26102?: Incorrect Permission Assignment for Critical Resource in Owl opds 2.2.0.4 allows File Manipulation via a crafted network request.
How severe is CVE-2026-26102?: CVE-2026-26102 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26102 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26102?: CVE-2026-26102 affects Owlcyberdefense Opds-talon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26102?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26102 have an EU (EUVD) identifier?: Yes. CVE-2026-26102 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7763.
When was CVE-2026-26102 published?: CVE-2026-26102 was published on 2026-02-20 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-26102

Affected products (1)

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

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