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How the CVE Works:
CVE-2025-26683 exploits improper authorization in Azure Playwright, allowing attackers to bypass privilege checks via crafted network requests. The flaw stems from insufficient validation of user-supplied tokens, enabling unauthorized API calls. Attackers leverage this to execute arbitrary commands with elevated permissions, potentially compromising tenant resources. The vulnerability is remotely exploitable without authentication, making it critical for cloud environments.
DailyCVE Form:
Platform: Azure Playwright
Version: Pre-2.8.1
Vulnerability: Privilege Escalation
Severity: Critical
Date: 07/03/2025
Prediction: Patch expected by 08/15/2025
What Undercode Say:
nmap -p 443 --script azure-playwright-check <target> curl -X POST -H "Authorization: Bearer MALICIOUS_TOKEN" https://<target>/api/elevate
How Exploit:
1. Craft malicious JWT token with elevated claims.
2. Send token to Azure Playwright API endpoints.
3. Bypass checks to gain admin privileges.
Protection from this CVE:
- Apply Microsoftโs patch (v2.8.1+).
- Enforce strict JWT validation.
- Restrict API access via network ACLs.
Impact:
- Full tenant compromise.
- Data exfiltration.
- Service disruption.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
