CVE-2026-46748 Privilege escalation in SINEC INS
A local attacker can exploit a binary with cap_dac_override to bypass file permissions, modify arbitrary files, and gain root privileges on Siemens SINEC INS.
- 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-2026-46748?
CVE-2026-46748 is a high-severity vulnerability in Siemens SINEC INS, published on 9 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a binary that is configured with the cap_dac_override capability. This capability allows the process to bypass file system permission checks, resulting in unrestricted file system access. This could allow a local attacker to escalate privileges leading to arbitrary file modification and gaining root privileges on the system.
Weakness: CWE-250
Which versions are affected by CVE-2026-46748?
It affects 1 product.
Products include Siemens Sinec Ins.
How do I fix CVE-2026-46748?
No fix has been published for CVE-2026-46748 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-46748 being exploited?
There is no known exploitation of CVE-2026-46748 in the wild and no public exploit code.
Other vulnerabilities in Siemens SINEC INS
Sources
Also known as GHSA-c23g-cgv4-p67j.