Roxy-WI: EscapedString validator skips its '..' block when stripping (root cause for several path-traversal/RCE vectors)
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior, EscapedString (app/modules/roxywi/class_models.py:16-30) is the centralised Pydantic validator used on dozens of fields including SSH credential name, username, description, etc. Its if/elif/elif/else flow returns the metacharacter-stripped value without also enforcing the .. block. An attacker who appends a single ;, &, |, $, or backtick to a .. payload routes the value through the strip arm, where .. survives unblocked and the result is not shlex.quote()'d either. At time of publication, there are no publicly available patches.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-45565
More roxy-wi vulnerabilities
- TI-2022-13181 Unauthenticated Remote Code Execution in Roxy-WI CVSS 3.1CRITICAL 10.0
- TI-2022-13170 Unauthenticated Remote Code Execution in Roxy-wi CVSS 3.1CRITICAL 10.0
- TI-2026-25520 Roxy-WI has SQL Injection in haproxy_section_save Endpoint via Unsanitized server_ip Parameter CVSS 4.0HIGH 8.9
- TI-2026-25518 Roxy-WI vulnerable to path traversal and arbitrary file writing CVSS 4.0HIGH 8.9
- TI-2026-33307 Roxy-WI: Authenticated RCE on every managed HAProxy load balancer via `option` field config injection in section save CVSS 3.1CRITICAL 9.9
- TI-2026-33305 Improper input validation in roxy-wi CVSS 3.1CRITICAL 9.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences