CVE-2026-4745 Arbitrary Code Execution via Crafted Bytecode in dendibakh/perf-ninja

Critical 10.0 Published Updated

Attackers can execute arbitrary code by providing crafted bytecode to the perf-ninja benchmarking tool, requiring a patch for mitigation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-4745?

CVE-2026-4745 is a critical code injection vulnerability in dendibakh perf-ninja, published on 24 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-94

Which versions are affected by CVE-2026-4745?

How do I fix CVE-2026-4745?

No fix has been published for CVE-2026-4745 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-4745 being exploited?

There is no known exploitation of CVE-2026-4745 in the wild and no public exploit code.

Sources

Also known as GHSA-p4qv-w9rr-5cfp.

Is CVE-2026-4745 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free