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CVE-2026-54136: CWE-863: Incorrect Authorization in windmill-labs windmill

0
Medium
Published: 08/20/2026 (08/20/2026, 16:47:41 UTC)
Source: GCVE Database
Vendor/Project: windmill-labs
Product: windmill

Description

Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs. Prior to 1.715.0, a resource-scoped API token could read script contents outside its allowed path scope through GET /api/w/{workspace}/scripts/list_search. The route-level scope middleware validated the token domain and action but did not enforce the resource/path segment, and the list_search_scripts handler had no additional check_scopes call or per-row filtering before returning script path and content fields. A token such as scripts:read:f/allowed/* could therefore receive source code for unrelated paths in the same workspace, potentially disclosing internal automation logic, integration details, business logic, inline configuration, or hardcoded secrets and credentials. Exploitation required possession of a valid scoped API token for the workspace but did not require administrator privileges. This issue is fixed in version 1.715.0.

CVSS v4.0

Score 5.1medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected software

crates.ioghsa
windmill-api
Affected versions
<1.715.0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-2ppx-66jv-wpw5
Osv Schema Version
1.4.0
Aliases
["CVE-2026-54136"]
Ecosystems
["crates.io"]
Database Specific Severity
MODERATE
Cvss Version
4.0

Threat ID: 6a520eb668715ace438f52da

Added to database: 07/11/2026, 09:36:54 UTC

Last enriched: 08/21/2026, 11:08:44 UTC

Last updated: 09/14/2026, 22:01:35 UTC

Views: 99

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