CVE-2026-32990

import requests def check_vulnerability(target_url): """ PoC for CVE-2026-32990 (Improper Input Validation) This script sends a crafted HTTP request to test the vulnerability. """ headers = { "User-Agent": "CVE-2026-32990-PoC", "Content-Length": "5", "X-Custom-Header": "test_payload" } try: # Sending a GET request with crafted headers response = requests.get(target_url, headers=headers, timeout=10) if response.status_code == 200: print(f"[+] Target {target_url} responded.") print(f"[+] Status Code: {response.status_code}") print(f"[+] Response Headers: {dict(response.headers)}") else: print(f"[-] Target responded with status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[!] Error connecting to target: {e}") if __name__ == "__main__": target = "http://localhost:8080/" # Replace with actual target check_vulnerability(target)

{"cve": {"id": "CVE-2026-32990", "sourceIdentifier": "[email protected]", "published": "2026-04-09T20:16:24.810", "lastModified": "2026-04-14T12:47:51.797", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614.\n\nThis issue affects Apache Tomcat: from 11.0.15 through 11.0.19, from 10.1.50 through 10.1.52, from 9.0.113 through 9.0.115.\n\nUsers are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0.113", "versionEndExcluding": "9.0.116", "matchCriteriaId": "9C1B78A4-9291-45F2-8A32-B6C5DB17AB05"}, {"vulnerable": true, "criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.1.50", "versionEndExcluding": "10.1.53", "matchCriteriaId": "216DAD3C-4186-4501-BE76-71EAAFCD4330"}, {"vulnerable": true, "criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.0.15", "versionEndExcluding": "11.0.20", "matchCriteriaId": "0369EA67-355F-4E24-B5EE-6E7775EB3C31"}]}]}], "references": [{"url": "https://lists.apache.org/thread/1nl9zqft0ksqlhlkd3j4obyjz1ghoyn7", "source": "[email protected]", "tags": ["Mailing List", "Vendor Advisory"]}]}}