CVE-2026-23696

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

13.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.2% of scored records. A rank, not a probability.

NVD base score

9.4 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-07-14.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-04-07 16:50Z5 MO AGO

Last updated

2026-07-14 15:53Z1 MO AGO

Reserved

2026-01-14

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Critical (CVSS 9.4)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Weaknesses

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')Base

Data version

5.2

Document digest

8af541c05ac99fb57779767793dc0d8c67ad092d9cfeea87b7de1756808b2f5a

• chocapikk.comhttps://chocapikk.com/posts/2026/windfall-nextcloud-flow-windmill-rce/technical-descriptionexploit
• github.comhttps://github.com/Chocapikk/Windfallexploit
• github.comhttps://github.com/windmill-labs/windmill/releases/tag/v1.603.3release-notes
• github.comhttps://github.com/windmill-labs/windmill/commit/942fb629210ebb287f48467d1535ffde3a3eeafepatch
• www.windmill.devhttps://www.windmill.dev/product
• apps.nextcloud.comhttps://apps.nextcloud.com/apps/flow/releasesrelease-notes
• www.vulncheck.comhttps://www.vulncheck.com/advisories/windmill-file-ownership-handling-sqli-rcethird-party-advisory