CVE-2025-2181: Palo Alto Checkov Information Disclosure

CVE-2025-2181 Overview

CVE-2025-2181 is a sensitive information disclosure vulnerability in Palo Alto Networks Checkov by Prisma Cloud. The flaw causes Prisma Cloud access keys to appear in cleartext within Checkov's output. Checkov is an open-source static code analysis tool for infrastructure-as-code (IaC), and it authenticates to Prisma Cloud using access keys when running platform-integrated scans. When those credentials leak into scan output, downstream logs, CI/CD job artifacts, and console transcripts can retain them. The weakness is classified under [CWE-312: Cleartext Storage of Sensitive Information].

Critical Impact
Prisma Cloud access keys exposed in Checkov output can be harvested from CI/CD logs and reused to authenticate to the Prisma Cloud tenant.

Affected Products

Palo Alto Networks Checkov by Prisma Cloud
Prisma Cloud integrations that pass access keys to Checkov
CI/CD pipelines running Checkov with Prisma Cloud authentication

Discovery Timeline

2025-08-13 - CVE-2025-2181 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-2181

Vulnerability Analysis

Checkov integrates with Prisma Cloud using an access key ID and secret key pair supplied through environment variables or command-line arguments. Under specific execution paths, Checkov writes these credentials into its output stream in cleartext rather than redacting them. Any process, user, or system with visibility into Checkov's stdout, stderr, or generated report files gains access to the credentials.

The issue is scoped to information confidentiality. The vulnerability does not enable code execution or direct modification of scan results. However, disclosed Prisma Cloud access keys allow an attacker to authenticate as the associated identity and interact with the Prisma Cloud API according to that identity's role. User interaction is required, since a user or automation must run Checkov with credentials configured.

Root Cause

The root cause is missing sanitization of sensitive input before it is written to output streams. Access keys passed to Checkov are treated as ordinary configuration data during logging or reporting rather than being masked. This is a classic [CWE-312] pattern where secrets flow into diagnostic or result surfaces that are broadly accessible.

Attack Vector

Exploitation is passive and depends on where Checkov output lands. Common exposure surfaces include CI/CD job logs in GitHub Actions, GitLab CI, Jenkins, and Azure DevOps, along with archived scan reports, container stdout captured by log aggregators, and shared terminal sessions. An attacker with read access to any of these locations can extract the cleartext keys and reuse them against the Prisma Cloud API. No verified public proof-of-concept has been published, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog.

Detection Methods for CVE-2025-2181

Indicators of Compromise

Presence of Prisma Cloud access key ID patterns in CI/CD job logs, build artifacts, or archived Checkov reports.
Prisma Cloud audit log entries showing API calls from IP addresses or user agents that do not match sanctioned automation.
Checkov output files containing environment variable dumps that include PRISMA_API_URL, access key ID, or secret key fields in cleartext.

Detection Strategies

Scan historical CI/CD logs and artifact stores for Prisma Cloud access key ID formats using regex-based secret scanners such as Gitleaks or TruffleHog.
Review Prisma Cloud audit logs for anomalous authentication events, especially from unexpected source IPs or outside normal business hours.
Instrument log pipelines to alert when Checkov output contains fields matching known credential patterns before the logs are persisted.

Monitoring Recommendations

Enable Prisma Cloud API access logging and forward events to a centralized SIEM for correlation with CI/CD activity.
Monitor for reuse of a single access key from multiple geographic locations or user agents within short time windows.
Track Checkov version rollouts across build agents to confirm vulnerable versions are retired.

How to Mitigate CVE-2025-2181

Immediate Actions Required

Rotate all Prisma Cloud access keys that were used with affected Checkov versions in CI/CD, developer workstations, or shared runners.
Purge historical Checkov output containing cleartext credentials from log aggregators, artifact stores, and version control history.
Restrict Prisma Cloud access key permissions to the minimum role required for Checkov integration.

Patch Information

Refer to the Palo Alto Networks CVE-2025-2181 advisory for the fixed Checkov version and upgrade guidance. Upgrade Checkov across all pipelines and developer environments to the patched release, then confirm scan output no longer echoes credential material.

Workarounds

Pass Prisma Cloud credentials only through short-lived environment variables that are not printed by the pipeline runner.
Configure CI/CD platforms to mask secret variables so any accidental echo is redacted in job logs.
Route Checkov output through a filter that strips credential patterns before logs are archived.
Where possible, run Checkov in offline mode without Prisma Cloud integration to remove credential exposure from the code path.

bash

# Example: mask Prisma Cloud credentials in GitHub Actions
# and avoid echoing them in Checkov output
env:
  PRISMA_API_URL: ${{ secrets.PRISMA_API_URL }}
  PRISMA_API_KEY_ID: ${{ secrets.PRISMA_API_KEY_ID }}
  PRISMA_API_SECRET: ${{ secrets.PRISMA_API_SECRET }}
run: |
  checkov -d . --quiet --compact 2>&1 \
    | sed -E 's/(access[_-]?key[_-]?id"?:\s*")[^"]+/\1***REDACTED***/gi' \
    | sed -E 's/(secret[_-]?key"?:\s*")[^"]+/\1***REDACTED***/gi'