CVE-2026-9158 Use after free in Eclipse 4diac
A use-after-free vulnerability in Eclipse 4diac FORTE allows attackers to execute arbitrary code or cause denial of service via crafted DELETE commands.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9158?
CVE-2026-9158 is a medium-severity use after free vulnerability in Eclipse 4diac, published on 18 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Eclipse 4diac FORTE versions 3.0.0 to 3.1.0, a specially crafted DELETE connection command to the management interface can lead to a dangling pointer. This allows subsequent commands to access freed memory (use-after-free).
Weakness: CWE-416
Which versions are affected by CVE-2026-9158?
It affects 1 product.
Products include Eclipse 4diac Forte.
How do I fix CVE-2026-9158?
No fix has been published for CVE-2026-9158 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-9158 being exploited?
There is no known exploitation of CVE-2026-9158 in the wild and no public exploit code.
Sources
Also known as GHSA-j8fr-ghg4-6wpr.