How severe is CVE-2023-26779?

CVE-2023-26779 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-2023-26779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26779?

CVE-2023-26779 affects Yf-exam Project Yf-exam. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26779?

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.

When was CVE-2023-26779 published?

CVE-2023-26779 was published on 2023-03-03 and last updated on 2026-06-17.

CVE-2023-26779

CVE-2023-26779 is a critical-severity vulnerability in Yf-exam Project Yf-exam 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Yf-exam Project Yf-exam
Published: 2023-03-03
Last modified: 2026-06-17

Description

CleverStupidDog yf-exam v 1.8.0 is vulnerable to Deserialization which can lead to remote code execution (RCE).

Frequently asked questions

What is CVE-2023-26779?: CleverStupidDog yf-exam v 1.8.0 is vulnerable to Deserialization which can lead to remote code execution (RCE).
How severe is CVE-2023-26779?: CVE-2023-26779 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-2023-26779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26779?: CVE-2023-26779 affects Yf-exam Project Yf-exam. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26779?: 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.
When was CVE-2023-26779 published?: CVE-2023-26779 was published on 2023-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yf-exam_project:yf-exam:1.8.0:*:*:*:*:*:*:*

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