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Prowler CVE-2026-73263

| EUVDEUVD-2026-57224 CRITICAL
OS Command Injection (CWE-78)
2026-08-12 GitHub_M
9.9
CVSS 3.1 · Vendor: GitHub_M
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Vendor (GitHub_M) PRIMARY
9.9 CRITICAL
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
vuln.today AI
9.9 CRITICAL

Network API reachable with only low-privilege authenticated provider access (PR:L), trivial to trigger (AC:L), and code runs on a shared worker crossing trust boundaries (S:C) with full RCE impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

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

Lifecycle Timeline

4
Patch available
Aug 12, 2026 - 16:02 EUVD
Source Code Evidence Fetched
Aug 12, 2026 - 15:16 vuln.today
Analysis Generated
Aug 12, 2026 - 15:16 vuln.today
CVE Published
Aug 12, 2026 - 14:26 cve.org
CRITICAL 9.9

DescriptionCVE.org

Prowler is a cloud security platform. Prior to 5.36.0, the Kubernetes provider connection test accepted kubeconfig_content containing a legacy gcp auth-provider with config.cmd-path and config.cmd-args because kubeconfig_contains_exec_auth in api/src/backend/api/v1/serializers.py checked only exec blocks, and POST /api/v1/providers/{id}/connection loaded it through config.load_kube_config_from_dict in prowler/providers/kubernetes/kubernetes_provider.py, causing kubernetes-python CommandTokenSource.token to run the attacker-supplied command through subprocess.Popen on the shared worker. This issue is fixed in version 5.36.0.

AnalysisAI

Authenticated command injection in Prowler (Cloud/API) before 5.36.0 lets a low-privileged user with provider-management access run arbitrary shell commands on the shared backend worker. The Kubernetes provider's connection test accepted a kubeconfig containing a legacy GCP auth-provider with cmd-path/cmd-args, which the kubernetes-python client executed via subprocess when POST /api/v1/providers/{id}/connection loaded it. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to Prowler API
Delivery
Create Kubernetes provider
Exploit
Submit kubeconfig with gcp auth-provider cmd-path
Execution
Trigger POST connection test
Persist
kubernetes client runs cmd via subprocess
Impact
Execute arbitrary commands on shared worker

Vulnerability AssessmentAI

Exploitation Requires an authenticated account on the Prowler Cloud/API backend with permission to create a Kubernetes provider and invoke the connection test (POST /api/v1/providers/{id}/connection). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H (9.9 Critical) is well-supported by the mechanism: network-reachable API, low complexity, only low privileges required (an authenticated Prowler user able to create/test a provider), no user interaction, and a scope change because code executes on a shared worker that may serve other tenants/scans. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A low-privileged but authenticated Prowler user creates a Kubernetes provider and submits a crafted kubeconfig whose user block uses a legacy gcp auth-provider with config.cmd-path set to /bin/sh (and cmd-args carrying a payload). When they trigger POST /api/v1/providers/{id}/connection, the backend loads the kubeconfig and the kubernetes-python client executes the command on the shared worker, giving the attacker code execution. …
Remediation Upgrade to Prowler 5.36.0 or later, which is the vendor-released patch (Vendor-released patch: 5.36.0); the fix rejects legacy auth-provider.config.cmd-path command authentication in kubeconfig validation (PR https://github.com/prowler-cloud/prowler/pull/12091, commit 0b782fcb8c24ece7bd38deede2b8f13d8583e39c, advisory GHSA-ccqh-6cjc-wp4j). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, audit all Prowler instances to identify versions before 5.36.0, review access logs for suspicious provider-management activity, and document which systems have high-privileged user access. …

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CVE-2026-73263 vulnerability details – vuln.today

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