{"id":"CVE-2026-74850","kind":"vulnerability","aliases":["CVE-2026-74850"],"related":[],"title":"Synology DSM: path traversal in contentextract lets signed-in users read files","description":"An improper limitation of a pathname to a restricted directory vulnerability in the contentextract in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read specific files.","summary":"A path traversal flaw in the contentextract component of Synology DiskStation Manager lets a logged-in user read specific files outside the intended directory. The sources say an authenticated remote user can read those files, but do not list which files.","severity":"medium","cvss":4.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["dsm","infrastructure","nas","self-hosted","synology"],"not_affected_if":["dsm-already-updated","no-untrusted-accounts"],"how_to_check":"- Open DSM and check the installed version under Control Panel > Info Center (`7.3.2-86009-5` or `7.4.1-90080-1` or later is the fixed range per the advisory)","fix":"- Synology DSM before `7.3.2-86009-5` on the 7.3 line, and before `7.4.1-90080-1` on the 7.4 line, per the NVD description","status":"open","published_at":"2026-11-12T04:17:19+00:00","first_seen_at":"2026-11-12T04:47:09+00:00","triaged_at":"2026-11-12T04:48:06+00:00","updated_at":"2026-11-12T04:48:06+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-11-12T04:48:06Z","model":"claude-haiku-5-5","output":{"fix":"- Synology DSM before `7.3.2-86009-5` on the 7.3 line, and before `7.4.1-90080-1` on the 7.4 line, per the NVD description","reach":"network","title":"Synology DSM: path traversal in contentextract lets signed-in users read files","impact":"low","summary":"A path traversal flaw in the contentextract component of Synology DiskStation Manager lets a logged-in user read specific files outside the intended directory. The sources say an authenticated remote user can read those files, but do not list which files.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["synology","dsm","nas","self-hosted"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"signed-in user reads specific server files they should not access","analyst_note":"Confirm the affected DSM version ranges and the specific files exposed at https://nvd.nist.gov/vuln/detail/CVE-2026-74850 and Synology's security advisory.","how_to_check":"- Open DSM and check the installed version under Control Panel > Info Center (`7.3.2-86009-5` or `7.4.1-90080-1` or later is the fixed range per the advisory)\n- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["dsm-already-updated","no-untrusted-accounts"],"who_is_affected":"Synology DiskStation Manager installs older than the fixed versions are affected, as the description states. Attackers need a valid DSM account, so systems where only trusted administrators can log in carry less risk. The sources do not say which default settings or features make contentextract reachable.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000756,"input_tokens":4537,"output_tokens":604,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-1':95C '-2026':15A,18A '-5':91C '-74850':16A,19A '-86009':90C '-90080':94C '7.3.2':89C '7.4.1':93C 'allow':96C 'authent':56B,98C 'compon':34B 'contentextract':6A,33B,82C 'cve':14A,17A 'directori':51B,78C 'diskstat':37B,85C 'dsm':2A,20B,87C 'file':13A,47B,62B,68B,103C 'flaw':30B 'host':25B 'improp':70C 'infrastructur':21B 'intend':50B 'let':7A,39B 'limit':71C 'list':66B 'log':42B 'logged-in':41B 'manag':38B,86C 'nas':22B 'outsid':48B 'path':3A,28B 'pathnam':74C 'read':12A,45B,60B,101C 'remot':57B,97C 'restrict':77C 'say':54B 'self':24B 'self-host':23B 'sign':9A 'signed-in':8A 'sourc':53B 'specif':46B,102C 'synolog':1A,26B,36B,84C 'travers':4A,29B 'user':11A,44B,58B,99C 'vulner':79C","nicknames":[],"mitigations":[],"who_affected":"Synology DiskStation Manager installs older than the fixed versions are affected, as the description states. Attackers need a valid DSM account, so systems where only trusted administrators can log in carry less risk. The sources do not say which default settings or features make contentextract reachable.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["dsm","infrastructure","medium","nas","selfhosted","synology"],"campaign_type":null,"search_a":"'-2026':15A,18A '-74850':16A,19A 'contentextract':6A 'cve':14A,17A 'dsm':2A 'file':13A 'let':7A 'path':3A 'read':12A 'sign':9A 'signed-in':8A 'synolog':1A 'travers':4A 'user':11A","search_b":"'authent':56B 'compon':34B 'contentextract':33B 'directori':51B 'diskstat':37B 'dsm':20B 'file':47B,62B,68B 'flaw':30B 'host':25B 'infrastructur':21B 'intend':50B 'let':39B 'list':66B 'log':42B 'logged-in':41B 'manag':38B 'nas':22B 'outsid':48B 'path':28B 'read':45B,60B 'remot':57B 'say':54B 'self':24B 'self-host':23B 'sourc':53B 'specif':46B 'synolog':26B,36B 'travers':29B 'user':44B,58B","search_c":"'-1':95C '-5':91C '-86009':90C '-90080':94C '7.3.2':89C '7.4.1':93C 'allow':96C 'authent':98C 'contentextract':82C 'directori':78C 'diskstat':85C 'dsm':87C 'file':103C 'improp':70C 'limit':71C 'manag':86C 'pathnam':74C 'read':101C 'remot':97C 'restrict':77C 'specif':102C 'synolog':84C 'user':99C 'vulner':79C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-12T04:17:19+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvss_by":"security@synology.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-74850","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74850","severity":null,"published_at":"2026-11-12T04:17:19+00:00","modified_at":"2026-11-12T04:17:19+00:00","first_seen_at":"2026-11-12T04:47:09+00:00","fetched_at":"2026-11-12T04:47:09+00:00","note":null}],"documents":[],"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"}