{"id":"CVE-2026-126948","kind":"vulnerability","aliases":["CVE-2026-126948"],"related":[],"title":"Zipline: folder rename and delete flaw lets users change others' folders","description":"Zipline before 4.5.0 contains an insecure direct object reference vulnerability caused by missing ownership verification in the PATCH and DELETE handlers for /api/user/folders/:id. Authenticated attackers can supply another user's folder ID to rename it, make it public, enable uploads, or delete it.","summary":"Zipline before 4.5.0 does not check folder ownership in its PATCH and DELETE handlers for /api/user/folders/:id. A signed-in user can supply another user's folder ID to rename, publish, enable uploads on, or delete that folder.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Zipline","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["package","self-hosted","zipline"],"not_affected_if":["single-user","version-4.5.0-or-later"],"how_to_check":"- Check the installed Zipline version in the deployment, `4.5.0` or later is not affected","fix":"- Zipline: move to `4.5.0` or later","status":"open","published_at":"2026-11-13T10:18:02+00:00","first_seen_at":"2026-11-13T10:47:28+00:00","triaged_at":"2026-11-13T10:48:44+00:00","updated_at":"2026-11-13T10:48:44+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-13T10:48:44Z","model":"claude-haiku-5-5","output":{"fix":"- Zipline: move to `4.5.0` or later","reach":"network","title":"Zipline: folder rename and delete flaw lets users change others' folders","impact":"medium","summary":"Zipline before 4.5.0 does not check folder ownership in its PATCH and DELETE handlers for /api/user/folders/:id. A signed-in user can supply another user's folder ID to rename, publish, enable uploads on, or delete that folder.","audience":"businesses","category":"package","nicknames":[],"who_cares":["zipline","self-hosted"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"Another user's folders get renamed, published, or deleted","analyst_note":"","how_to_check":"- Check the installed Zipline version in the deployment, `4.5.0` or later is not affected\n- unknown","plain_action":"","product_name":"Zipline","needs_analyst":false,"not_affected_if":["single-user","version-4.5.0-or-later"],"who_is_affected":"Any Zipline instance running a version before 4.5.0 where users have accounts on the same server. Single-user instances with no other accounts have no other users' folders to reach. unknown whether the sources name other preconditions.","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000696,"input_tokens":4593,"output_tokens":473,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-126948':14A,17A '-2026':13A,16A '/api/user/folders':39B,85C '4.5.0':26B,65C 'anoth':48B,91C 'attack':88C 'authent':87C 'caus':73C 'chang':9A 'check':29B 'contain':66C 'cve':12A,15A 'delet':5A,36B,60B,82C,105C 'direct':69C 'enabl':56B,102C 'flaw':6A 'folder':2A,11A,30B,51B,62B,94C 'handler':37B,83C 'host':22B 'id':40B,52B,86C,95C 'insecur':68C 'let':7A 'make':99C 'miss':75C 'object':70C 'other':10A 'ownership':31B,76C 'packag':19B 'patch':34B,80C 'public':101C 'publish':55B 'refer':71C 'renam':3A,54B,97C 'self':21B 'self-host':20B 'sign':43B 'signed-in':42B 'suppli':47B,90C 'upload':57B,103C 'user':8A,45B,49B,92C 'verif':77C 'vulner':72C 'ziplin':1A,23B,24B,63C 'zipline':18A","nicknames":[],"mitigations":[],"who_affected":"Any Zipline instance running a version before 4.5.0 where users have accounts on the same server. Single-user instances with no other accounts have no other users' folders to reach. unknown whether the sources name other preconditions.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["zipline"],"ptokens":["zipline"],"labels":["high","package","selfhosted","vendor","zipline"],"campaign_type":null,"search_a":"'-126948':14A,17A '-2026':13A,16A 'chang':9A 'cve':12A,15A 'delet':5A 'flaw':6A 'folder':2A,11A 'let':7A 'other':10A 'renam':3A 'user':8A 'ziplin':1A 'zipline':18A","search_b":"'/api/user/folders':39B '4.5.0':26B 'anoth':48B 'check':29B 'delet':36B,60B 'enabl':56B 'folder':30B,51B,62B 'handler':37B 'host':22B 'id':40B,52B 'ownership':31B 'packag':19B 'patch':34B 'publish':55B 'renam':54B 'self':21B 'self-host':20B 'sign':43B 'signed-in':42B 'suppli':47B 'upload':57B 'user':45B,49B 'ziplin':23B,24B","search_c":"'/api/user/folders':85C '4.5.0':65C 'anoth':91C 'attack':88C 'authent':87C 'caus':73C 'contain':66C 'delet':82C,105C 'direct':69C 'enabl':102C 'folder':94C 'handler':83C 'id':86C,95C 'insecur':68C 'make':99C 'miss':75C 'object':70C 'ownership':76C 'patch':80C 'public':101C 'refer':71C 'renam':97C 'suppli':90C 'upload':103C 'user':92C 'verif':77C 'vulner':72C 'ziplin':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-03-21T18:52:10+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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-2026-126948","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126948","severity":null,"published_at":"2026-11-13T10:18:02+00:00","modified_at":"2026-11-13T10:18:02+00:00","first_seen_at":"2026-11-13T10:47:28+00:00","fetched_at":"2026-11-13T10:47:28+00:00","note":null}],"documents":[{"id":145257,"url":"https://github.com/diced/zipline/security/advisories/GHSA-fgwh-2pc5-wr73","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-03-21T18:52:10+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":145258,"url":"https://www.vulncheck.com/advisories/zipline-before-4.5.0-idor-via-folder-patch-and-delete-endpoints","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"}