{"id":"CVE-2026-125359","kind":"vulnerability","aliases":["CVE-2026-125359"],"related":[],"title":"Mediary Scout: any logged-in user can make the server probe internal hosts","description":"Mediary Scout before 2026.11.05 contains a server-side request forgery vulnerability that allows any authenticated user, including non-owner accounts, to set an arbitrary PanSou base URL via savePanSouBaseUrlAction without role checks. Attackers can trigger probePanSou() to send server-side POST requests to internal hosts and use distinct error responses as an oracle for internal host and port discovery.","summary":"Mediary Scout before 2026.11.05 lets any signed-in user, including non-owner accounts, set an arbitrary PanSou base URL without a role check. The server then sends POST requests to that URL, so an attacker can map internal hosts and ports through distinct error responses.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mediary-scout","other","self-hosted"],"not_affected_if":["auth-required"],"how_to_check":"- Check the installed Mediary Scout version against the fixed release in the product data (unknown from the sources given)\n- Review whether non-owner accounts exist on the instance and can reach the savePanSouBaseUrlAction endpoint","fix":"- Upgrade Mediary Scout to `2026.11.05` or later","status":"open","published_at":"2026-11-10T00:17:07+00:00","first_seen_at":"2026-11-10T00:28:41+00:00","triaged_at":"2026-11-10T00:30:37+00:00","updated_at":"2026-11-10T00:30:37+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-10T00:30:37Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Mediary Scout to `2026.11.05` or later","reach":"network","title":"Mediary Scout: any logged-in user can make the server probe internal hosts","impact":"medium","summary":"Mediary Scout before 2026.11.05 lets any signed-in user, including non-owner accounts, set an arbitrary PanSou base URL without a role check. The server then sends POST requests to that URL, so an attacker can map internal hosts and ports through distinct error responses.","audience":"businesses","category":"other","nicknames":[],"who_cares":["mediary-scout","self-hosted"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"server reaches internal hosts and maps internal ports","analyst_note":"","how_to_check":"- Check the installed Mediary Scout version against the fixed release in the product data (unknown from the sources given)\n- Review whether non-owner accounts exist on the instance and can reach the savePanSouBaseUrlAction endpoint","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["auth-required"],"who_is_affected":"Instances of Mediary Scout before 2026.11.05 where any authenticated account, including non-owner accounts, can reach the PanSou base URL setting. Deployments where only the owner has an account, or where the instance is not reachable by other users, have a smaller exposure. unknown whether the sources name a specific deployment pattern beyond this.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000742,"input_tokens":4640,"output_tokens":556,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-125359':17A,20A '-2026':16A,19A '2026.11.05':31B,78C 'account':42B,96C 'allow':88C 'arbitrari':45B,100C 'attack':64B,109C 'authent':90C 'base':47B,102C 'check':52B,108C 'contain':79C 'cve':15A,18A 'discoveri':136C 'distinct':72B,125C 'error':73B,126C 'forgeri':85C 'host':14A,27B,68B,122C,133C 'includ':38B,92C 'intern':13A,67B,121C,132C 'let':32B 'log':5A 'logged-in':4A 'make':9A 'map':66B 'mediari':1A,22B,28B,75C 'mediary-scout':21B 'non':40B,94C 'non-own':39B,93C 'oracl':130C 'owner':41B,95C 'pansou':46B,101C 'port':70B,135C 'post':57B,118C 'probe':12A 'probepansou':112C 'request':58B,84C,119C 'respons':74B,127C 'role':51B,107C 'savepansoubaseurlact':105C 'scout':2A,23B,29B,76C 'self':26B 'self-host':25B 'send':56B,114C 'server':11A,54B,82C,116C 'server-sid':81C,115C 'set':43B,98C 'side':83C,117C 'sign':35B 'signed-in':34B 'trigger':111C 'url':48B,61B,103C 'use':124C 'user':7A,37B,91C 'via':104C 'vulner':86C 'without':49B,106C","nicknames":[],"mitigations":[],"who_affected":"Instances of Mediary Scout before 2026.11.05 where any authenticated account, including non-owner accounts, can reach the PanSou base URL setting. Deployments where only the owner has an account, or where the instance is not reachable by other users, have a smaller exposure. unknown whether the sources name a specific deployment pattern beyond this.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["mediaryscout","medium","other","selfhosted"],"campaign_type":null,"search_a":"'-125359':17A,20A '-2026':16A,19A 'cve':15A,18A 'host':14A 'intern':13A 'log':5A 'logged-in':4A 'make':9A 'mediari':1A 'probe':12A 'scout':2A 'server':11A 'user':7A","search_b":"'2026.11.05':31B 'account':42B 'arbitrari':45B 'attack':64B 'base':47B 'check':52B 'distinct':72B 'error':73B 'host':27B,68B 'includ':38B 'intern':67B 'let':32B 'map':66B 'mediari':22B,28B 'mediary-scout':21B 'non':40B 'non-own':39B 'owner':41B 'pansou':46B 'port':70B 'post':57B 'request':58B 'respons':74B 'role':51B 'scout':23B,29B 'self':26B 'self-host':25B 'send':56B 'server':54B 'set':43B 'sign':35B 'signed-in':34B 'url':48B,61B 'user':37B 'without':49B","search_c":"'2026.11.05':78C 'account':96C 'allow':88C 'arbitrari':100C 'attack':109C 'authent':90C 'base':102C 'check':108C 'contain':79C 'discoveri':136C 'distinct':125C 'error':126C 'forgeri':85C 'host':122C,133C 'includ':92C 'intern':121C,132C 'mediari':75C 'non':94C 'non-own':93C 'oracl':130C 'owner':95C 'pansou':101C 'port':135C 'post':118C 'probepansou':112C 'request':84C,119C 'respons':127C 'role':107C 'savepansoubaseurlact':105C 'scout':76C 'send':114C 'server':82C,116C 'server-sid':81C,115C 'set':98C 'side':83C,117C 'trigger':111C 'url':103C 'use':124C 'user':91C 'via':104C 'vulner':86C 'without':106C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T00:17:07+00:00","kev":null,"cvss_vector":"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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-125359","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125359","severity":null,"published_at":"2026-11-10T00:17:07+00:00","modified_at":"2026-11-10T00:17:07+00:00","first_seen_at":"2026-11-10T00:28:41+00:00","fetched_at":"2026-11-10T00:28:41+00:00","note":null}],"documents":[{"id":111495,"url":"https://github.com/fancydirty/mediary-scout/commit/9cb9ab5eea492bc8f61f5c4d63f9c6b6800f7e1f","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":111496,"url":"https://github.com/fancydirty/mediary-scout/releases/tag/v2026.11.05","title":"Release notes: github.com","kind":"release","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Release notes: github.com"},{"id":111497,"url":"https://www.vulncheck.com/advisories/mediary-scout-before-2026.11.05-ssrf-via-pansou-search-source-setting","title":"Third-party advisory: www.vulncheck.com","kind":"advisory","source":"nvd","publisher":"research","text":null,"published_at":null,"relation":"advisory","confidence":null,"note":"Third-party advisory: www.vulncheck.com"}],"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"}