How severe is CVE-2026-4745?

CVE-2026-4745 has a CVSS 4.0 base score of 10.0, rated critical severity.

Is CVE-2026-4745 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4745?

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-2026-4745 have an EU (EUVD) identifier?

Yes. CVE-2026-4745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14744.

When was CVE-2026-4745 published?

CVE-2026-4745 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2026-4745

CVE-2026-4745 is a critical-severity vulnerability with a CVSS 4.0 base score of 10.0. 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-94.

Key facts

Severity: Critical (CVSS 4.0 base score 10.0)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14744
Weakness: CWE-94
Published: 2026-03-24
Last modified: 2026-06-17

Description

Improper Control of Generation of Code ('Code Injection') vulnerability in dendibakh perf-ninja (labs/misc/pgo/lua modules). This vulnerability is associated with program files ldo.C. This issue affects perf-ninja.

Frequently asked questions

What is CVE-2026-4745?: Improper Control of Generation of Code ('Code Injection') vulnerability in dendibakh perf-ninja (labs/misc/pgo/lua modules). This vulnerability is associated with program files ldo.C. This issue affects perf-ninja.
How severe is CVE-2026-4745?: CVE-2026-4745 has a CVSS 4.0 base score of 10.0, rated critical severity.
Is CVE-2026-4745 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4745?: 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-2026-4745 have an EU (EUVD) identifier?: Yes. CVE-2026-4745 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14744.
When was CVE-2026-4745 published?: CVE-2026-4745 was published on 2026-03-24 and last updated on 2026-06-17.

References

https://github.com/dendibakh/perf-ninja/pull/129

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