CVE-2026-6499 Privilege escalation in OpenConcerto
Incorrect permission assignment in OpenConcerto allows attackers to replace binaries, leading to privilege escalation and potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-6499?
CVE-2026-6499 is a low-severity vulnerability in ILM Informatique OpenConcerto, published on 4 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Incorrect Permission Assignment for Critical Resource vulnerability in ILM Informatique OpenConcerto allows Replace Binaries.
This issue affects OpenConcerto: 1.7.5.
Weakness: CWE-732
Which versions are affected by CVE-2026-6499?
How do I fix CVE-2026-6499?
No fix has been published for CVE-2026-6499 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-6499 being exploited?
There is no known exploitation of CVE-2026-6499 in the wild and no public exploit code.
Sources
Also known as GHSA-qfqp-9j9f-7xqv.