CVE-2026-15276 pdeljanov Symphonia Metadata denial of service
A local attacker can cause a denial of service in the Symphonia library via the Metadata Handler component.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15276?
CVE-2026-15276 is a medium-severity denial of service vulnerability in pdeljanov Symphonia, published on 9 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in pdeljanov Symphonia up to 0.6.0. This vulnerability affects unknown code of the component Metadata Handler. This manipulation causes denial of service. The attack needs to be launched locally. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Weakness: CWE-404
Which versions are affected by CVE-2026-15276?
How do I fix CVE-2026-15276?
No fix has been published for CVE-2026-15276 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-15276 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15276 exists.
Sources
Also known as GHSA-whwr-vg23-jrwg, UBUNTU-CVE-2026-15276.