{"id":"CVE-2026-114109","kind":"vulnerability","aliases":["CVE-2026-114109"],"related":[],"title":"uv: malicious wheel entry point names escape scripts directory","description":"uv before 0.11.15 contains a path traversal vulnerability that allows malicious wheels to write files outside the scripts directory via crafted console_scripts or gui_scripts entry point names. Attackers who induce users to install a malicious wheel can place executables in PATH directories, shadowing or overwriting existing binaries for code execution.","summary":"uv versions before 0.11.15 let a crafted wheel write files outside its scripts directory through console_scripts or gui_scripts entry point names. An attacker who gets a user to install that wheel can plant or overwrite executables on the PATH, which leads to code execution.","severity":"high","cvss":8.8,"epss":0.00381,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ci","developers","package","python","uv"],"not_affected_if":["no-untrusted-wheels","uv-0.11.15-or-later"],"how_to_check":"uv --version (vulnerable if below 0.11.15)","fix":"Upgrade uv to 0.11.15 or later.","status":"open","published_at":"2026-10-21T01:17:36+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","triaged_at":"2026-10-23T22:33:25+00:00","updated_at":"2026-10-24T13:15:54+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:33:25Z","model":"claude-haiku-5-5","output":{"fix":"Upgrade uv to 0.11.15 or later.","reach":"local","title":"uv: malicious wheel entry point names escape scripts directory","impact":"high","summary":"uv versions before 0.11.15 let a crafted wheel write files outside its scripts directory through console_scripts or gui_scripts entry point names. An attacker who gets a user to install that wheel can plant or overwrite executables on the PATH, which leads to code execution.","category":"package","who_cares":["python","uv","ci","developers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker code runs when a user or CI job runs the shadowed binary","analyst_note":"","how_to_check":"uv --version (vulnerable if below 0.11.15)","needs_analyst":false,"not_affected_if":["uv-0.11.15-or-later","no-untrusted-wheels"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000463,"input_tokens":2932,"output_tokens":339,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-114109':12A,15A '-2026':11A,14A '0.11.15':24B,69C 'allow':76C 'attack':45B,96C 'binari':115C 'ci':16B 'code':65B,117C 'consol':36B,88C 'contain':70C 'craft':27B,87C 'cve':10A,13A 'develop':17B 'directori':9A,34B,85C,110C 'entri':4A,41B,93C 'escap':7A 'execut':58B,66B,107C,118C 'exist':114C 'file':30B,81C 'get':47B 'gui':39B,91C 'induc':98C 'instal':51B,101C 'lead':63B 'let':25B 'malici':2A,77C,103C 'name':6A,43B,95C 'outsid':31B,82C 'overwrit':57B,113C 'packag':18B 'path':61B,72C,109C 'place':106C 'plant':55B 'point':5A,42B,94C 'python':19B 'script':8A,33B,37B,40B,84C,89C,92C 'shadow':111C 'travers':73C 'user':49B,99C 'uv':1A,20B,21B,67C 'version':22B 'via':86C 'vulner':74C 'wheel':3A,28B,53B,78C,104C 'write':29B,80C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T01:17:36+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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-2026-114109","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114109","severity":null,"published_at":"2026-10-21T01:17:36+00:00","modified_at":"2026-10-22T17:40:46+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","fetched_at":"2026-10-23T22:29:01+00:00","note":null},{"source":"epss","external_id":"CVE-2026-114109","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114109","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:54+00:00","fetched_at":"2026-10-24T13:15:54+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}