Incorrect default permissions in Nintex Automation
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-522.
Summary
In Nintex Automation 5.6 and 5.7 before 5.8, the K2 SmartForms Designer folder has configuration files (web.config) containing passwords that are readable by unauthorized users.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Automation (Nintex) Fixed in 5.8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Nintex Automation 5.8
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2025-20647 Nintex Automation 5.6 and 5.7 before 5.8 has insecure deserialization of user input.Priority MEDIUM 43
- TI-2025-20646 Nintex Automation 5.6 and 5.7 before 5.8 has a stored XSS issue associated with the "Navigate to a URL" action.Priority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2025-27926
- 2026-10-03 Alias added: GHSA-h2w7-2v8j-jgm7
References
More Nintex Automation vulnerabilities
- TI-2025-20647 Nintex Automation 5.6 and 5.7 before 5.8 has insecure deserialization of user input. CVSS 3.1CRITICAL 9.8
- TI-2025-20646 Nintex Automation 5.6 and 5.7 before 5.8 has a stored XSS issue associated with the "Navigate to a URL" action. CVSS 3.1MEDIUM 5.4
Sources
- CVE-2025-27926 · CVE Program
- CVE-2025-27926 · NVD
- FIRST EPSS
- GHSA-h2w7-2v8j-jgm7 · GitHub Advisory Database · CC BY 4.0
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