{"id":"CVE-2025-71460","kind":"vulnerability","aliases":["CVE-2025-71460"],"related":[],"title":"Zipline: any logged-in user can edit or delete other users' files","description":"Zipline before 4.2.1 contains a missing authorization vulnerability in the /api/user/files/transaction endpoint that allows authenticated users to modify other users' files due to absent ownership checks. Attackers who know a target file ID can submit transaction requests to edit or delete files belonging to any user.","summary":"Zipline, a self-hosted file sharing server, has a missing ownership check on its /api/user/files/transaction endpoint. An authenticated user who knows another user's file ID can edit or delete that file.","severity":"medium","cvss":4.2,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"zipline","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["file-sharing","package","self-hosted","zipline"],"not_affected_if":["managed-hosting","single-user"],"how_to_check":"- Find the installed Zipline version, for example `zipline --version` or the `version` field in its package.json, and compare it with the fixed release below.\n- Check whether the instance is reachable by users who are not trusted with each other's files.","fix":"- Zipline: upgrade to `4.2.1` or later.","status":"open","published_at":"2026-11-13T10:17:23+00:00","first_seen_at":"2026-11-13T10:47:09+00:00","triaged_at":"2026-11-13T10:58:55+00:00","updated_at":"2026-11-13T10:58:55+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-13T10:58:55Z","model":"claude-haiku-5-5","output":{"fix":"- Zipline: upgrade to `4.2.1` or later.","reach":"internet","title":"Zipline: any logged-in user can edit or delete other users' files","impact":"medium","summary":"Zipline, a self-hosted file sharing server, has a missing ownership check on its /api/user/files/transaction endpoint. An authenticated user who knows another user's file ID can edit or delete that file.","audience":"businesses","category":"package","nicknames":[],"who_cares":["zipline","self-hosted","file-sharing"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"Any logged-in user can modify or delete other users' files.","analyst_note":"","how_to_check":"- Find the installed Zipline version, for example `zipline --version` or the `version` field in its package.json, and compare it with the fixed release below.\n- Check whether the instance is reachable by users who are not trusted with each other's files.","plain_action":"","product_name":"zipline","needs_analyst":false,"not_affected_if":["single-user","managed-hosting"],"who_is_affected":"Teams running a self-hosted Zipline instance with more than one user account are exposed, since any account can act on files owned by others if it knows the file ID. Single-user instances, or instances where all accounts are fully trusted, are less exposed. Managed hosting is the vendor's responsibility.","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000721,"input_tokens":4597,"output_tokens":522,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2025':15A,18A '-71460':16A,19A '/api/user/files/transaction':44B,72C '4.2.1':64C 'absent':85C 'allow':75C 'anoth':51B 'attack':88C 'authent':47B,76C 'author':68C 'belong':104C 'check':41B,87C 'contain':65C 'cve':14A,17A 'delet':10A,59B,102C 'due':83C 'edit':8A,57B,100C 'endpoint':45B,73C 'file':13A,22B,34B,54B,61B,82C,93C,103C 'file-shar':21B 'host':27B,33B 'id':55B,94C 'know':50B,90C 'log':4A 'logged-in':3A 'miss':39B,67C 'modifi':79C 'ownership':40B,86C 'packag':24B 'request':98C 'self':26B,32B 'self-host':25B,31B 'server':36B 'share':23B,35B 'submit':96C 'target':92C 'transact':97C 'user':6A,12A,48B,52B,77C,81C,107C 'vulner':69C 'ziplin':1A,28B,29B,62C 'zipline':20A","nicknames":[],"mitigations":[],"who_affected":"Teams running a self-hosted Zipline instance with more than one user account are exposed, since any account can act on files owned by others if it knows the file ID. Single-user instances, or instances where all accounts are fully trusted, are less exposed. Managed hosting is the vendor's responsibility.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["zipline"],"ptokens":["zipline"],"labels":["filesharing","medium","package","selfhosted","vendor","zipline"],"campaign_type":null,"search_a":"'-2025':15A,18A '-71460':16A,19A 'cve':14A,17A 'delet':10A 'edit':8A 'file':13A 'log':4A 'logged-in':3A 'user':6A,12A 'ziplin':1A 'zipline':20A","search_b":"'/api/user/files/transaction':44B 'anoth':51B 'authent':47B 'check':41B 'delet':59B 'edit':57B 'endpoint':45B 'file':22B,34B,54B,61B 'file-shar':21B 'host':27B,33B 'id':55B 'know':50B 'miss':39B 'ownership':40B 'packag':24B 'self':26B,32B 'self-host':25B,31B 'server':36B 'share':23B,35B 'user':48B,52B 'ziplin':28B,29B","search_c":"'/api/user/files/transaction':72C '4.2.1':64C 'absent':85C 'allow':75C 'attack':88C 'authent':76C 'author':68C 'belong':104C 'check':87C 'contain':65C 'delet':102C 'due':83C 'edit':100C 'endpoint':73C 'file':82C,93C,103C 'id':94C 'know':90C 'miss':67C 'modifi':79C 'ownership':86C 'request':98C 'submit':96C 'target':92C 'transact':97C 'user':77C,81C,107C 'vulner':69C 'ziplin':62C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2025-08-08T03:08:42+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/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-2025-71460","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71460","severity":null,"published_at":"2026-11-13T10:17:23+00:00","modified_at":"2026-11-13T10:17:23+00:00","first_seen_at":"2026-11-13T10:47:09+00:00","fetched_at":"2026-11-13T10:47:09+00:00","note":null}],"documents":[{"id":144848,"url":"https://github.com/diced/zipline/security/advisories/GHSA-26wv-mhc3-5xfq","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2025-08-08T03:08:42+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":144849,"url":"https://www.vulncheck.com/advisories/zipline-before-4.2.1-missing-ownership-check-via-api-user-files-transaction","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"}