CVE-2026-49435 Keysight IxChariot-related products stack-based buffer overflow
Unauthenticated remote attackers can execute arbitrary code with administrative privileges via a stack-based buffer overflow in Keysight network testing products.
- 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-2026-49435?
CVE-2026-49435 is a critical memory corruption vulnerability in Keysight Hawkeye, published on 4 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.
Weakness: CWE-121
Which versions are affected by CVE-2026-49435?
How do I fix CVE-2026-49435?
No fix has been published for CVE-2026-49435 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-2026-49435 being exploited?
There is no known exploitation of CVE-2026-49435 in the wild and no public exploit code.
Sources
Also known as GHSA-98pg-jf9w-9qqg.