CVE-2026-46749 Weak cryptography in SINEC INS
Weak password hashing with static salt and low iterations allows attackers to recover user passwords and gain unauthorized access to Siemens SINEC INS.
- 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-2026-46749?
CVE-2026-46749 is a medium-severity vulnerability in Siemens SINEC INS, published on 9 Jun 2026. It can only be exploited from the same machine or local 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 application uses a password hashing implementation with a static, hardcoded salt shared across all users and installations, and is configured with an insufficient number of iterations. This could allow an attacker to efficiently recover user passwords using brute-force or precomputed attacks, potentially resulting in unauthorized access.
Weakness: CWE-760
Which versions are affected by CVE-2026-46749?
It affects 1 product.
Products include Siemens Sinec Ins.
How do I fix CVE-2026-46749?
No fix has been published for CVE-2026-46749 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-46749 being exploited?
There is no known exploitation of CVE-2026-46749 in the wild and no public exploit code.
Other vulnerabilities in Siemens SINEC INS
Sources
Also known as GHSA-c5mx-3x5g-xmjx.