How severe is CVE-2023-26234?

CVE-2023-26234 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-26234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26234?

CVE-2023-26234 affects Jd-gui Project Jd-gui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26234?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-26234 published?

CVE-2023-26234 was published on 2023-02-21 and last updated on 2026-06-17.

CVE-2023-26234

CVE-2023-26234 is a medium-severity vulnerability in Jd-gui Project Jd-gui with a CVSS 3.x base score of 6.6. 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Jd-gui Project Jd-gui
Published: 2023-02-21
Last modified: 2026-06-17

Description

JD-GUI 1.6.6 allows deserialization via UIMainWindowPreferencesProvider.singleInstance.

Frequently asked questions

What is CVE-2023-26234?: JD-GUI 1.6.6 allows deserialization via UIMainWindowPreferencesProvider.singleInstance.
How severe is CVE-2023-26234?: CVE-2023-26234 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-26234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26234?: CVE-2023-26234 affects Jd-gui Project Jd-gui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26234?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26234 published?: CVE-2023-26234 was published on 2023-02-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jd-gui_project:jd-gui:1.6.6:*:*:*:*:*:*:*

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CVE-2023-26235 — Medium (CVSS 6.1): JD-GUI 1.6.6 allows XSS via util/net/InterProcessCommunicationUtil.java.

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