CVE-2023-26961

4.8 mediumEPSS 0.5%

Medium (4.8) in alteryx alteryx server. EPSS 0.5% chance of exploitation in the next 30 days.

Alteryx Server 2022.1.1.42590 does not employ file type verification for uploaded files. This vulnerability allows attackers to upload arbitrary files (e.g., JavaScript content for stored XSS) via the type field in a JSON document within a PUT /gallery/api/media request.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-11-01)
CWE: CWE-79
Published: 2023-08-08
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

alteryx:alteryx_server

References

https://gist.github.com/DylanGrl/4269ae834c5d0ec77c9b928ad35d3be3
https://gist.github.com/DylanGrl/4269ae834c5d0ec77c9b928ad35d3be3

Check your stack JSON