CVE-2026-26446 Denial of service in n/a
An unauthenticated attacker can crash the Stomper message broker by closing a TCP connection, causing a denial of service.
- 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-2026-26446?
CVE-2026-26446 is a high-severity denial of service vulnerability in n/a, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.
Weakness: CWE-703
Which versions are affected by CVE-2026-26446?
How do I fix CVE-2026-26446?
No fix has been published for CVE-2026-26446 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-2026-26446 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-26446 exists.
Sources
Also known as GHSA-22jf-r33c-m8rf, UBUNTU-CVE-2026-26446.