Vulnerability · CVE-2026-22906
User credentials are stored using AES‑ECB encryption with a hardcoded key.
Published Feb 9, 2026 · catalog updated Feb 9, 2026 · WAGO
Last checked Nov 5, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-22906. EPSS is 0.35%. Act only if a listed version of WAGO is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.35%
- Remediation
- Vendor / distro source
- Affected products
- vendor WAGO 0852-1322 0.0.0 ≤2.64
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor WAGO 0852-1322 0.0.0 ≤2.640.0.0 ≤2.64
How to fix CVE-2026-22906
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0.0.0 ≤2.64
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-22906. EPSS is 0.35%. Act only if a listed version of WAGO is installed.
Which versions are affected?
Compare what you have installed with WAGO 0852-1322 0.0.0 ≤2.64 0.0.0 ≤2.64. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Feb 9, 2026 · EUVD
Detected
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.
Feb 9, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-22906
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-22906
30-day exploitation probability 0.35%
first.org - EUVDVulnerability recordEUVD-2026-6926
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.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 5, 2026
- CVE.orgNov 4, 2026
- EUVDNov 3, 2026