CVE-2026-22906 Hardcoded Key Allows Credential Disclosure
An attacker with access to the configuration file can decrypt stored credentials using a hardcoded key, leading to credential disclosure and potential account takeover.
- 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-2026-22906?
CVE-2026-22906 is a critical vulnerability in WAGO 0852-1322, published on 9 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
User credentials are stored using AES‑ECB encryption with a hardcoded key. An unauthenticated remote attacker obtaining the configuration file can decrypt and recover plaintext usernames and passwords, especially when combined with the authentication bypass.
Weakness: CWE-321
Which versions are affected by CVE-2026-22906?
How do I fix CVE-2026-22906?
No fix has been published for CVE-2026-22906 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-22906 being exploited?
There is no known exploitation of CVE-2026-22906 in the wild and no public exploit code.
Sources
Also known as GHSA-q336-fj7p-g7vx.