{"id":"CVE-2026-110970","kind":"vulnerability","aliases":["CVE-2026-110970"],"related":[],"title":"Płatnik: updates and support files downloaded over plain HTTP","description":"Płatnik uses HTTP protocol to download updates, libraries and support files. It allows an attacker to conduct a Man-In-The-Middle attack, obtain transmitted data and replace the original files with their own.\n\n\n\n\nThis issue was fixed in metric 242 in version 10.02.002.","summary":"Płatnik, a Polish payroll and social-insurance reporting application, downloads its updates, libraries and support files over unencrypted HTTP. An attacker on the network path can read the transmitted data and swap in their own files.","severity":"low","cvss":2.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["other","payroll","platnik","windows"],"not_affected_if":["unknown"],"how_to_check":"- Confirm whether Płatnik is installed and which version is in use.\n- Check the update and download source configured in Płatnik for `http://` addresses.","fix":"- Płatnik version `10.02.002` with metric 242 is stated as the fixed release.","status":"open","published_at":"2026-10-30T12:16:34+00:00","first_seen_at":"2026-10-30T12:30:22+00:00","triaged_at":"2026-10-30T12:34:12+00:00","updated_at":"2026-10-30T12:34:12+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-30T12:34:12Z","model":"claude-haiku-5-5","output":{"fix":"- Płatnik version `10.02.002` with metric 242 is stated as the fixed release.","reach":"network","title":"Płatnik: updates and support files downloaded over plain HTTP","impact":"medium","summary":"Płatnik, a Polish payroll and social-insurance reporting application, downloads its updates, libraries and support files over unencrypted HTTP. An attacker on the network path can read the transmitted data and swap in their own files.","audience":"businesses","category":"other","nicknames":[],"who_cares":["platnik","windows","payroll"],"confidence":0.6,"fix_status":"available","needs_auth":"unknown","worst_case":"Attacker reads traffic and replaces downloaded update files","analyst_note":"Confirm the exact affected version range and whether the fixed release 10.02.002 (metric 242) is the only remediation; see the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-110970.","how_to_check":"- Confirm whether Płatnik is installed and which version is in use.\n- Check the update and download source configured in Płatnik for `http://` addresses.\n- unknown for any further check, since the sources do not say.","plain_action":"","needs_analyst":true,"not_affected_if":["unknown"],"who_is_affected":"Organisations that run Płatnik on their own machines and fetch updates or support files from the vendor's servers over a network an attacker could sit on. The sources do not describe further conditions, so the exact exposed configurations are unknown.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000689,"input_tokens":4104,"output_tokens":557,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-110970':12A,15A '-2026':11A,14A '10.02.002':101C '242':98C 'allow':69C 'applic':29B 'attack':41B,71C,80C 'conduct':73C 'cve':10A,13A 'data':50B,83C 'download':6A,30B,62C 'file':5A,36B,56B,67C,88C 'fix':95C 'http':9A,39B,59C 'insur':27B 'issu':93C 'librari':33B,64C 'man':76C 'man-in-the-middl':75C 'metric':97C 'middl':79C 'network':44B 'obtain':81C 'origin':87C 'path':45B 'payrol':17B,23B 'plain':8A 'platnik':18B 'polish':22B 'protocol':60C 'płatnik':1A,20B,57C 'read':47B 'replac':85C 'report':28B 'social':26B 'social-insur':25B 'support':4A,35B,66C 'swap':52B 'transmit':49B,82C 'unencrypt':38B 'updat':2A,32B,63C 'use':58C 'version':100C 'window':19B","nicknames":[],"mitigations":[],"who_affected":"Organisations that run Płatnik on their own machines and fetch updates or support files from the vendor's servers over a network an attacker could sit on. The sources do not describe further conditions, so the exact exposed configurations are unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"first_public_at":"2026-10-30T12:16:34+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/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","cvss_by":"cvd@cert.pl","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-110970","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110970","severity":null,"published_at":"2026-10-30T12:16:34+00:00","modified_at":"2026-10-30T12:16:34+00:00","first_seen_at":"2026-10-30T12:30:22+00:00","fetched_at":"2026-10-30T12:30:22+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}