CVE-2026-13466 Unit Confusion in VAB Authentication
An integer overflow in Altera Trusted Firmware allows buffer overflows, potentially enabling code execution or privilege escalation on HPS systems.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13466?
CVE-2026-13466 is a high-severity vulnerability in Altera Trusted Firmware, published on 24 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect calculation of buffer size vulnerability in Altera Trusted Firmware on HPS allows Overflow Buffers.
This issue affects Trusted Firmware: through socfpga_v2.14.0.
Weakness: CWE-131
Which versions are affected by CVE-2026-13466?
How do I fix CVE-2026-13466?
No fix has been published for CVE-2026-13466 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-13466 being exploited?
There is no known exploitation of CVE-2026-13466 in the wild and no public exploit code.
Sources
Also known as GHSA-h785-rv9q-vrg6.