How severe is CVE-2023-31826?

CVE-2023-31826 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-2023-31826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31826?

CVE-2023-31826 affects Skyscreamer Nevado Jms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31826?

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.

When was CVE-2023-31826 published?

CVE-2023-31826 was published on 2023-05-23 and last updated on 2026-06-17.

CVE-2023-31826

CVE-2023-31826 is a high-severity vulnerability in Skyscreamer Nevado Jms 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Skyscreamer Nevado Jms
Published: 2023-05-23
Last modified: 2026-06-17

Description

Skyscreamer Open Source Nevado JMS v1.3.2 does not perform security checks when receiving messages. This allows attackers to execute arbitrary commands via supplying crafted data.

Frequently asked questions

What is CVE-2023-31826?: Skyscreamer Open Source Nevado JMS v1.3.2 does not perform security checks when receiving messages. This allows attackers to execute arbitrary commands via supplying crafted data.
How severe is CVE-2023-31826?: CVE-2023-31826 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-2023-31826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31826?: CVE-2023-31826 affects Skyscreamer Nevado Jms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31826?: 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.
When was CVE-2023-31826 published?: CVE-2023-31826 was published on 2023-05-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:skyscreamer:nevado_jms:1.3.2:*:*:*:*:*:*:*

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