How severe is CVE-2026-2333?

CVE-2026-2333 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-2333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2333?

CVE-2026-2333 affects Owlcyberdefense Opds-talon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2333?

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

Does CVE-2026-2333 have an EU (EUVD) identifier?

Yes. CVE-2026-2333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7754.

When was CVE-2026-2333 published?

CVE-2026-2333 was published on 2026-02-20 and last updated on 2026-06-17.

CVE-2026-2333

CVE-2026-2333 is a critical-severity vulnerability in Owlcyberdefense Opds-talon with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.2
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7754
Weakness: CWE-77
Affected product: Owlcyberdefense Opds-talon
Published: 2026-02-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-2333?: 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.
How severe is CVE-2026-2333?: CVE-2026-2333 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-2333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2333?: CVE-2026-2333 affects Owlcyberdefense Opds-talon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-2333 have an EU (EUVD) identifier?: Yes. CVE-2026-2333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7754.
When was CVE-2026-2333 published?: CVE-2026-2333 was published on 2026-02-20 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-2333

Affected products (1)

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

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