{"id":"CVE-2025-8088","kind":"vulnerability","aliases":["CVE-2025-8088"],"related":[],"title":"A path traversal vulnerability affecting the Windows version of WinRAR allows the attackers to execute arbitrary…","description":"RARLAB WinRAR contains a path traversal vulnerability affecting the Windows version of WinRAR. This vulnerability could allow an attacker to execute arbitrary code by crafting malicious archive files.\n\nCISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","summary":"WinRAR for Windows has a path traversal flaw that lets a crafted archive write files outside the folder chosen for extraction. An attacker who gets a user to open a malicious archive can drop and run code on that machine.","severity":"high","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2025-08-12T00:00:00+00:00","products":[{"name":"rarlab winrar","fixed":["7.13"],"affected":"< 7.13","ecosystem":"vendor"},{"name":"dtsearch","fixed":["2023.01"],"affected":"< 2023.01","ecosystem":"vendor"},{"name":"RARLAB WinRAR","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["desktop","exploited","other","ransomware","windows","winrar"],"not_affected_if":["no-winrar-installed","non-windows-systems"],"how_to_check":"Check the installed WinRAR version under Help > About WinRAR on Windows machines.","fix":"Update WinRAR to the vendor's patched release; the fixed version is not stated in the sources.\nCISA says to apply vendor mitigations or discontinue use if mitigations are unavailable.","status":"open","published_at":"2025-08-08T12:15:29+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:46:34+00:00","updated_at":"2026-10-24T00:09:50+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-23T20:46:34Z","model":"claude-haiku-5-5","output":{"fix":"Update WinRAR to the vendor's patched release; the fixed version is not stated in the sources.\nCISA says to apply vendor mitigations or discontinue use if mitigations are unavailable.","reach":"local","summary":"WinRAR for Windows has a path traversal flaw that lets a crafted archive write files outside the folder chosen for extraction. An attacker who gets a user to open a malicious archive can drop and run code on that machine.","category":"other","who_cares":["windows","winrar","desktop"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the Windows machine after a user opens a crafted archive.","analyst_note":"Find the fixed WinRAR version and vendor advisory from the RARLAB site or the CISA KEV entry; sources do not name affected or fixed versions.","how_to_check":"Check the installed WinRAR version under Help > About WinRAR on Windows machines.\nunknown","needs_analyst":true,"not_affected_if":["no-winrar-installed","non-windows-systems"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000458,"input_tokens":2556,"output_tokens":405,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':114C '-2025':18A,21A '-8088':19A,22A '22':113C 'action':104C 'affect':5A,81C 'allow':11A,90C 'appli':105C 'applic':111C 'arbitrari':16A,95C 'archiv':46B,65B,100C 'attack':13A,56B,92C 'bod':112C 'chosen':52B 'cisa':102C 'cloud':117C 'code':70B,96C 'contain':76C 'could':89C 'craft':45B,98C 'cve':17A,20A 'desktop':28B 'discontinu':120C 'drop':67B 'dtsearch':25A 'execut':15A,94C 'exploit':29B 'extract':54B 'file':48B,101C 'flaw':41B 'folder':51B 'follow':110C 'get':58B 'guidanc':115C 'instruct':109C 'let':43B 'machin':73B 'malici':64B,99C 'mitig':106C,126C 'open':62B 'outsid':49B 'path':2A,39B,78C 'per':107C 'product':124C 'ransomwar':31B 'rarlab':23A,26A,74C 'requir':103C 'run':69B 'servic':118C 'travers':3A,40B,79C 'unavail':128C 'use':121C 'user':60B 'vendor':108C 'version':8A,84C 'vulner':4A,80C,88C 'window':7A,32B,36B,83C 'winrar':10A,24A,27A,33B,34B,75C,86C 'write':47B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-08-08T12:15:29+00:00","kev":{"dateAdded":"2025-08-12","dueDate":"2025-09-02","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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":"security@eset.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2025-8088","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-8088","severity":null,"published_at":"2025-08-12T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T15:39:40+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-8088","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8088","severity":null,"published_at":"2025-08-08T12:15:29+00:00","modified_at":"2026-08-11T04:17:18+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+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"}