CVE-2026-75349 Denial of service in n/a
A remote attacker can cause a denial of service in OpENer via an out-of-bounds read in Connection Manager request parsing.
- 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-2026-75349?
CVE-2026-75349 is a high-severity denial of service vulnerability in n/a, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
EIPStackGroup OpENer v2.3.0/master up to commit 76b95cf contains an out-of-bounds read vulnerability in Connection Manager request parsing. This allows a remote attacker to cause a denial of service.
Weakness: CWE-400
Which versions are affected by CVE-2026-75349?
How do I fix CVE-2026-75349?
No fix has been published for CVE-2026-75349 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-2026-75349 being exploited?
There is no known exploitation of CVE-2026-75349 in the wild and no public exploit code.
Sources
Also known as GHSA-6957-qm46-gxv7.