๐Ÿ” CVE Alert

CVE-2026-45550

CRITICAL 9.1

Roxy-WI: IDOR on PUT /smon/check โ€” any user can rewrite any tenant's monitoring URL/IP/body

CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior, PUT /smon/check (app/routes/smon/routes.py:117-138) gates only on roxywi_common.check_user_group_for_flask() โ€” which validates that the caller has some group, not that the target check_id belongs to it. The downstream SQL update functions update_smon, update_smonHttp, update_smonTcp, update_smonPing, update_smonDns (app/modules/db/smon.py:515-562) all execute WHERE smon_id = ? with no user_group filter. The DELETE path is correctly filtered (app/modules/db/smon.py:319-327 does WHERE id = ? AND user_group = ?), demonstrating that the maintainers know the right pattern but did not apply it on UPDATE. Therefore any authenticated user can iterate over smon_id values and silently rewrite any other tenant's HTTP / TCP / Ping / DNS monitoring check. At time of publication, there are no publicly available patches.

CWE CWE-639 CWE-862 CWE-863
Vendor roxy-wi
Product roxy-wi
Published Jun 10, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
Low

Affected Versions

roxy-wi / roxy-wi
<= 8.2.6.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/roxy-wi/roxy-wi/security/advisories/GHSA-856h-mvm2-2h2x