{"id":"CVE-2026-129161","kind":"vulnerability","aliases":["CVE-2026-129161"],"related":[],"title":"Dromara free-fs: unlimited reset-code guesses let attackers take over accounts","description":"Dromara free-fs 2.0.1 through 2.3.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute-force six-digit password reset codes via PUT /apis/user/forget-password. Attackers can request a code for a known email and submit unlimited guesses during its 300-second lifetime to set a chosen password and take over the account.","summary":"Dromara free-fs versions 2.0.1 through 2.3.1 do not limit attempts on the six-digit password reset code sent by PUT /apis/user/forget-password. An unauthenticated attacker who knows a user's email can guess the code within its 300-second lifetime, set a new password, and take over the account.","severity":"critical","cvss":9.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["free-fs","java","package","self-hosted"],"not_affected_if":["password-reset-disabled","rate-limited-at-gateway"],"how_to_check":"- Check the free-fs version in the project's pom.xml or dependency manifest; `2.0.1` to `2.3.1` are affected.\n- Look for the `/apis/user/forget-password` endpoint on a running deployment and confirm whether repeated PUT requests are rate limited or locked out.","fix":"- free-fs: unknown (the sources do not name a fixed version)","status":"open","published_at":"2026-11-13T18:17:41+00:00","first_seen_at":"2026-11-13T18:49:30+00:00","triaged_at":"2026-11-13T18:51:20+00:00","updated_at":"2026-11-13T18:51:20+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-13T18:51:20Z","model":"claude-haiku-5-5","output":{"fix":"- free-fs: unknown (the sources do not name a fixed version)","reach":"internet","title":"Dromara free-fs: unlimited reset-code guesses let attackers take over accounts","impact":"high","summary":"Dromara free-fs versions 2.0.1 through 2.3.1 do not limit attempts on the six-digit password reset code sent by PUT /apis/user/forget-password. An unauthenticated attacker who knows a user's email can guess the code within its 300-second lifetime, set a new password, and take over the account.","audience":"businesses","category":"package","nicknames":[],"who_cares":["free-fs","java","self-hosted"],"confidence":0.7,"fix_status":"unknown","needs_auth":"no","worst_case":"attacker resets any known user's password and takes the account","analyst_note":"Find the fixed version and confirm the affected package coordinates at the NVD entry or the VulnCheck advisory (www.vulncheck.com).","how_to_check":"- Check the free-fs version in the project's pom.xml or dependency manifest; `2.0.1` to `2.3.1` are affected.\n- Look for the `/apis/user/forget-password` endpoint on a running deployment and confirm whether repeated PUT requests are rate limited or locked out.","plain_action":"","product_name":"free-fs","needs_analyst":true,"not_affected_if":["password-reset-disabled","rate-limited-at-gateway"],"who_is_affected":"Any deployment of free-fs in the affected range that exposes the password reset endpoint to the internet is exposed, because the endpoint needs no login. Deployments that have disabled password reset or that sit behind a gateway enforcing strict rate limits on that route are less exposed. The sources do not say whether a fixed version exists.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000789,"input_tokens":4611,"output_tokens":656,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-129161':17A,20A '-2026':16A,19A '/apis/user/forget-password':52B,111C '2.0.1':34B,84C '2.3.1':36B,86C '300':68B,127C 'account':14A,79B,139C 'allow':96C 'attack':11A,55B,98C,112C 'attempt':40B,93C 'authent':92C 'brute':101C 'brute-forc':100C 'chosen':133C 'code':8A,48B,65B,108C,116C 'contain':87C 'cve':15A,18A 'digit':45B,105C 'dromara':1A,29B,80C 'email':61B,120C 'forc':102C 'free':3A,22B,31B,82C 'free-f':2A,21B,30B,81C 'fs':4A,23B,32B,83C 'guess':9A,63B,124C 'host':28B 'improp':89C 'java':24B 'know':57B 'known':119C 'let':10A 'lifetim':70B,129C 'limit':39B 'new':73B 'packag':25B 'password':46B,74B,106C,134C 'put':51B,110C 'request':114C 'reset':7A,47B,107C 'reset-cod':6A 'restrict':90C 'second':69B,128C 'self':27B 'self-host':26B 'sent':49B 'set':71B,131C 'six':44B,104C 'six-digit':43B,103C 'submit':122C 'take':12A,76B,136C 'unauthent':54B,97C 'unlimit':5A,123C 'user':59B 'version':33B 'via':109C 'vulner':94C 'within':66B","nicknames":[],"mitigations":[],"who_affected":"Any deployment of free-fs in the affected range that exposes the password reset endpoint to the internet is exposed, because the endpoint needs no login. Deployments that have disabled password reset or that sit behind a gateway enforcing strict rate limits on that route are less exposed. The sources do not say whether a fixed version exists.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["critical","freefs","java","package","selfhosted"],"campaign_type":null,"search_a":"'-129161':17A,20A '-2026':16A,19A 'account':14A 'attack':11A 'code':8A 'cve':15A,18A 'dromara':1A 'free':3A 'free-f':2A 'fs':4A 'guess':9A 'let':10A 'reset':7A 'reset-cod':6A 'take':12A 'unlimit':5A","search_b":"'/apis/user/forget-password':52B '2.0.1':34B '2.3.1':36B '300':68B 'account':79B 'attack':55B 'attempt':40B 'code':48B,65B 'digit':45B 'dromara':29B 'email':61B 'free':22B,31B 'free-f':21B,30B 'fs':23B,32B 'guess':63B 'host':28B 'java':24B 'know':57B 'lifetim':70B 'limit':39B 'new':73B 'packag':25B 'password':46B,74B 'put':51B 'reset':47B 'second':69B 'self':27B 'self-host':26B 'sent':49B 'set':71B 'six':44B 'six-digit':43B 'take':76B 'unauthent':54B 'user':59B 'version':33B 'within':66B","search_c":"'/apis/user/forget-password':111C '2.0.1':84C '2.3.1':86C '300':127C 'account':139C 'allow':96C 'attack':98C,112C 'attempt':93C 'authent':92C 'brute':101C 'brute-forc':100C 'chosen':133C 'code':108C,116C 'contain':87C 'digit':105C 'dromara':80C 'email':120C 'forc':102C 'free':82C 'free-f':81C 'fs':83C 'guess':124C 'improp':89C 'known':119C 'lifetim':129C 'password':106C,134C 'put':110C 'request':114C 'reset':107C 'restrict':90C 'second':128C 'set':131C 'six':104C 'six-digit':103C 'submit':122C 'take':136C 'unauthent':97C 'unlimit':123C 'via':109C 'vulner':94C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-13T18:17:41+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/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-2026-129161","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-129161","severity":null,"published_at":"2026-11-13T18:17:41+00:00","modified_at":"2026-11-13T18:17:41+00:00","first_seen_at":"2026-11-13T18:49:30+00:00","fetched_at":"2026-11-13T18:49:30+00:00","note":null}],"documents":[{"id":148618,"url":"https://www.vulncheck.com/advisories/dromara-free-fs-2.0.1-through-2.3.1-password-reset-code-brute-force-account-takeover","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"}