CVE-2026-97333 QAPI stack-based buffer overflow
A stack-based buffer overflow in QAPI allows attackers to disrupt service availability in Commvault Cloud components.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-97333?
CVE-2026-97333 is a high-severity memory corruption vulnerability in Commvault Cloud, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
QAPI contained a stack-based buffer overflow affecting service availability. Software customers upgrade to resolved maintenance release. Update CommServe, Web Server, Command Center and Index Server.
Weakness: CWE-121
Which versions are affected by CVE-2026-97333?
How do I fix CVE-2026-97333?
No fix has been published for CVE-2026-97333 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-97333 being exploited?
There is no known exploitation of CVE-2026-97333 in the wild and no public exploit code.
Sources
Also known as GHSA-v6mr-wxq4-84f9.