{"id":"CVE-2026-125076","kind":"vulnerability","aliases":["CVE-2026-125076"],"related":[],"title":"SourceCodester Smart Attendance System: missing authentication on attendance endpoint","description":"A vulnerability was found in SourceCodester Smart Attendance System with QR Code Scanner 1.0. Affected is an unknown function of the file api/attendance_handler.php of the component JSON Endpoint. Performing a manipulation of the argument student_code results in missing authentication. It is possible to initiate the attack remotely. The exploit has been made public and could be used.","summary":"The SourceCodester Smart Attendance System with QR Code Scanner 1.0 has a JSON endpoint in api/attendance_handler.php that does not check authentication when the student_code argument is manipulated. A remote attacker can reach the endpoint without logging in, and a public exploit exists.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"SourceCodester Smart Attendance System with QR Code Scanner","fixed":[],"affected":"1.0","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["attendance-system","other","php","self-hosted"],"not_affected_if":["endpoint-not-exposed","other-version"],"how_to_check":"- Check whether you run Smart Attendance System with QR Code Scanner 1.0 (SourceCodester PHP/MySQL download).\n- Request /api/attendance_handler.php from outside a logged-in session; if it answers JSON without login, you are exposed.\n- Search your web logs for unauthenticated requests to api/attendance_handler.php with a student_code parameter.","fix":"No fixed version known; neither VulDB nor the SourceCodester listing names a patch. Restrict access to api/attendance_handler.php (require login or block at the web server) or stop exposing the app.","status":"open","published_at":"2026-11-10T00:17:06+00:00","first_seen_at":"2026-11-10T00:28:41+00:00","triaged_at":"2026-11-10T00:30:04+00:00","updated_at":"2026-11-10T00:33:41+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-10T00:30:04Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"SourceCodester Smart Attendance System: missing authentication on attendance endpoint","impact":"medium","summary":"The SourceCodester Smart Attendance System with QR Code Scanner 1.0 has a JSON endpoint in api/attendance_handler.php that does not check authentication when the student_code argument is manipulated. A remote attacker can reach the endpoint without logging in, and a public exploit exists.","audience":"businesses","category":"other","nicknames":[],"who_cares":["php","self-hosted","attendance-system"],"confidence":0.6,"fix_status":"unknown","needs_auth":"no","worst_case":"Remote attacker manipulates attendance records without authentication","analyst_note":"Check the NVD entry and vendor source for the fixed version and whether a patch exists; confirm what data the endpoint exposes or changes.","how_to_check":"- Check whether the application runs version `1.0` of the Smart Attendance System with QR Code Scanner.\n- Look for the file `api/attendance_handler.php` in the web root and see whether it is reachable without a login.","plain_action":"","product_name":"SourceCodester Smart Attendance System with QR Code Scanner","needs_analyst":true,"not_affected_if":["other-version","endpoint-not-exposed"],"who_is_affected":"Organizations that deploy the SourceCodester Smart Attendance System with QR Code Scanner 1.0 and expose its api/attendance_handler.php endpoint to the network. Installations that restrict access to that endpoint or do not run this version can skip it. The sources do not describe further conditions.","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000763,"input_tokens":4573,"output_tokens":612,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check the NVD entry and vendor source for the fixed version and whether a patch exists; confirm what data the endpoint exposes or changes.","search":"'-125076':12A,15A '-2026':11A,14A '1.0':41B,88C 'affect':89C 'api/attendance_handler.php':47B,97C 'argument':57B,108C 'attack':62B,121C 'attend':3A,8A,25B,35B,82C 'attendance':18A 'attendance-system':24B 'authent':6A,52B,114C 'check':51B 'code':22A,39B,56B,86C,110C 'compon':100C 'could':130C 'cve':10A,13A 'endpoint':9A,45B,66B,102C 'exist':74B 'exploit':73B,124C 'file':96C 'found':78C 'function':93C 'host':31B 'initi':119C 'json':44B,101C 'log':68B 'made':127C 'manipul':59B,105C 'miss':5A,113C 'perform':103C 'php':28B 'possibl':117C 'public':72B,128C 'qr':21A,38B,85C 'reach':64B 'remot':61B,122C 'result':111C 'scanner':23A,40B,87C 'self':30B 'self-host':29B 'smart':2A,17A,34B,81C 'sourcecodest':1A,33B,80C 'sourcecodester':16A 'student':55B,109C 'system':4A,19A,26B,36B,83C 'unknown':92C 'use':132C 'vulner':76C 'with':20A 'without':67B","nicknames":[],"mitigations":[],"who_affected":"Anyone running the free SourceCodester Smart Attendance System with QR Code Scanner 1.0 (PHP/MySQL) with the web app reachable from the network; a school or training site using it as a QR attendance kiosk is the typical case. VulDB says no login is needed and a public proof of concept exists. Installs kept on a private network or behind a login at the web server can skip urgency.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["smartattendancesystemwithqrcodescanner","sourcecodestersmartattendancesystemwithqrcodescanner"],"ptokens":["attendance","code","qr","scanner","smart","sourcecodester","system","with"],"labels":["attendancesystem","high","other","php","selfhosted","vendor"],"campaign_type":null,"search_a":"'-125076':12A,15A '-2026':11A,14A 'attend':3A,8A 'attendance':18A 'authent':6A 'code':22A 'cve':10A,13A 'endpoint':9A 'miss':5A 'qr':21A 'scanner':23A 'smart':2A,17A 'sourcecodest':1A 'sourcecodester':16A 'system':4A,19A 'with':20A","search_b":"'1.0':41B 'api/attendance_handler.php':47B 'argument':57B 'attack':62B 'attend':25B,35B 'attendance-system':24B 'authent':52B 'check':51B 'code':39B,56B 'endpoint':45B,66B 'exist':74B 'exploit':73B 'host':31B 'json':44B 'log':68B 'manipul':59B 'php':28B 'public':72B 'qr':38B 'reach':64B 'remot':61B 'scanner':40B 'self':30B 'self-host':29B 'smart':34B 'sourcecodest':33B 'student':55B 'system':26B,36B 'without':67B","search_c":"'1.0':88C 'affect':89C 'api/attendance_handler.php':97C 'argument':108C 'attack':121C 'attend':82C 'authent':114C 'code':86C,110C 'compon':100C 'could':130C 'endpoint':102C 'exploit':124C 'file':96C 'found':78C 'function':93C 'initi':119C 'json':101C 'made':127C 'manipul':105C 'miss':113C 'perform':103C 'possibl':117C 'public':128C 'qr':85C 'remot':122C 'result':111C 'scanner':87C 'smart':81C 'sourcecodest':80C 'student':109C 'system':83C 'unknown':92C 'use':132C 'vulner':76C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T00:17:06+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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","cvss_by":"cna@vuldb.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-125076","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125076","severity":null,"published_at":"2026-11-10T00:17:06+00:00","modified_at":"2026-11-10T00:17:06+00:00","first_seen_at":"2026-11-10T00:28:41+00:00","fetched_at":"2026-11-10T00:28:41+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-125076:2364","url":"https://vuldb.com/vuln/433180","severity":null,"published_at":"2026-11-10T00:33:41+00:00","modified_at":"2026-11-10T00:33:41+00:00","first_seen_at":"2026-11-10T00:33:41+00:00","fetched_at":"2026-11-10T00:33:41+00:00","note":"Read VulDB VDB-433180 (CNA, not vendor): v1.0 api/attendance_handler.php, CWE-306, remote no-auth, PoC on GitHub (link not public on VulDB free view), no vendor fix or countermeasure stated. SourceCodester page is a free-download listing with no advisory; nothing verified. Not exploited in the wild per sources.","cites":["https://vuldb.com/vuln/433180","https://www.sourcecodester.com/php/18702/smart-attendance-system-qr-code-scanner-phpmysql.html"]}],"documents":[{"id":112215,"url":"https://vuldb.com/vuln/433180","title":"VulDB VDB-433180: Smart Attendance System attendance_handler.php missing authentication","kind":"advisory","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"advisory","confidence":null,"note":null},{"id":112216,"url":"https://www.sourcecodester.com/php/18702/smart-attendance-system-qr-code-scanner-phpmysql.html","title":"Smart Attendance System with QR Code Scanner (PHP/MySQL) - SourceCodester","kind":"vendor","source":"analyst","publisher":null,"text":null,"published_at":null,"relation":"describes","confidence":null,"note":null}],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}