{"id":"CVE-2026-105265","kind":"vulnerability","aliases":["CVE-2026-105265"],"related":[],"title":"Time zone parameter lets an authenticated user point localtime outside zoneinfo","description":"A vulnerability exists in the the time zone parameter and does not properly validate user input, which may allow an authenticated user to cause /etc/localtime to point to a file outside the intended zoneinfo directory\n\n.","summary":"The time zone parameter does not validate user input, so an authenticated user can make /etc/localtime point to a file outside the intended zoneinfo directory. The sources do not name the affected product, so the impact beyond reading or changing the local time setting is unknown.","severity":"medium","cvss":6.0,"epss":0.00381,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["other"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-22T22:17:52+00:00","first_seen_at":"2026-10-23T21:57:32+00:00","triaged_at":"2026-10-25T04:05:21+00:00","updated_at":"2026-10-25T04:05:21+00:00","category":"other","confidence":0.3,"triage":{"at":"2026-10-25T04:05:21Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Time zone parameter lets an authenticated user point localtime outside zoneinfo","impact":"low","summary":"The time zone parameter does not validate user input, so an authenticated user can make /etc/localtime point to a file outside the intended zoneinfo directory. The sources do not name the affected product, so the impact beyond reading or changing the local time setting is unknown.","category":"other","nicknames":[],"who_cares":[],"confidence":0.3,"needs_auth":"yes","worst_case":"Authenticated user redirects system time zone file to an arbitrary path","analyst_note":"Find the affected product and vendor advisory at the NVD entry https://nvd.nist.gov/vuln/detail/CVE-2026-105265 to confirm versions, fixes and the real impact.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000514,"input_tokens":3320,"output_tokens":363,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-105265':14A,17A '-2026':13A,16A '/etc/localtime':33B,88C 'affect':49B 'allow':82C 'authent':6A,29B,84C 'beyond':54B 'caus':87C 'chang':57B 'cve':12A,15A 'directori':42B,98C 'exist':66C 'file':37B,93C 'impact':53B 'input':26B,79C 'intend':40B,96C 'let':4A 'local':59B 'localtim':9A 'make':32B 'may':81C 'name':47B 'outsid':10A,38B,94C 'paramet':3A,21B,72C 'point':8A,34B,90C 'product':50B 'proper':76C 'read':55B 'set':61B 'sourc':44B 'time':1A,19B,60B,70C 'unknown':63B 'user':7A,25B,30B,78C,85C 'valid':24B,77C 'vulner':65C 'zone':2A,20B,71C 'zoneinfo':11A,41B,97C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-22T22:17:52+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/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":"ics-cert@hq.dhs.gov","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105265","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105265","severity":null,"published_at":"2026-10-22T22:17:52+00:00","modified_at":"2026-10-23T19:57:42+00:00","first_seen_at":"2026-10-23T21:57:32+00:00","fetched_at":"2026-10-23T22:29:03+00:00","note":null},{"source":"epss","external_id":"CVE-2026-105265","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105265","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T07:15:51+00:00","fetched_at":"2026-10-24T07:15:51+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"}