{"id":"CVE-2026-82518","kind":"vulnerability","aliases":["CVE-2026-82518"],"related":[],"title":"Akamai CLI: malicious packages can overwrite files outside install directory","description":"Akamai CLI before 2.0.6 contains a path traversal vulnerability that allows malicious packages to write files outside the install directory via unvalidated commands[].name values in cli.json. Attackers who convince victims to install or update a package can use '..' segments to overwrite executables on the user's PATH, persisting after uninstall.","summary":"Akamai CLI before 2.0.6 does not validate command names in a package's cli.json, so a crafted package can use '..' path segments to write files outside its install directory. An attacker who gets a victim to install or update such a package can overwrite executables on the victim's PATH, and the overwrite survives uninstalling the package.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["akamai-cli","ci","developer-workstations","other"],"not_affected_if":["no-third-party-packages","version-2.0.6-or-later"],"how_to_check":"- Run `akamai --version` and confirm the installed version is below `2.0.6`.\n- Review any third-party Akamai CLI packages installed on developer machines for unexpected `commands[].name` values in their `cli.json`.","fix":"- Akamai CLI: move to `2.0.6` or later.","status":"open","published_at":"2026-11-10T17:17:48+00:00","first_seen_at":"2026-11-10T17:22:44+00:00","triaged_at":"2026-11-10T17:23:59+00:00","updated_at":"2026-11-10T17:23:59+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-10T17:23:59Z","model":"claude-haiku-5-5","output":{"fix":"- Akamai CLI: move to `2.0.6` or later.","reach":"local","title":"Akamai CLI: malicious packages can overwrite files outside install directory","impact":"high","summary":"Akamai CLI before 2.0.6 does not validate command names in a package's cli.json, so a crafted package can use '..' path segments to write files outside its install directory. An attacker who gets a victim to install or update such a package can overwrite executables on the victim's PATH, and the overwrite survives uninstalling the package.","audience":"developers","category":"other","nicknames":[],"who_cares":["akamai-cli","developer-workstations","ci"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker overwrites executables on the user's PATH, persisting after uninstall.","analyst_note":"","how_to_check":"- Run `akamai --version` and confirm the installed version is below `2.0.6`.\n- Review any third-party Akamai CLI packages installed on developer machines for unexpected `commands[].name` values in their `cli.json`.","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["version-2.0.6-or-later","no-third-party-packages"],"who_is_affected":"Anyone who installs or updates Akamai CLI packages on a workstation or CI host running a version before 2.0.6. Teams that do not use Akamai CLI, or run only the current release, can skip it.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000735,"input_tokens":4610,"output_tokens":548,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-82518':13A,16A '2.0.6':27B,84C 'akamai':1A,18B,24B,81C 'akamai-c':17B 'allow':91C 'attack':54B,108C 'ci':20B 'cli':2A,19B,25B,82C 'cli.json':37B,107C 'command':31B,103C 'contain':85C 'convinc':110C 'craft':40B 'cve':11A,14A 'develop':22B 'developer-workst':21B 'directori':10A,52B,100C 'execut':68B,123C 'file':7A,48B,96C 'get':56B 'instal':9A,51B,60B,99C,113C 'malici':3A,92C 'name':32B,104C 'outsid':8A,49B,97C 'overwrit':6A,67B,76B,122C 'packag':4A,35B,41B,65B,80B,93C,117C 'path':44B,73B,87C,128C 'persist':129C 'segment':45B,120C 'surviv':77B 'travers':88C 'uninstal':78B,131C 'unvalid':102C 'updat':62B,115C 'use':43B,119C 'user':126C 'valid':30B 'valu':105C 'via':101C 'victim':58B,71B,111C 'vulner':89C 'workstat':23B 'write':47B,95C","nicknames":[],"mitigations":[],"who_affected":"Anyone who installs or updates Akamai CLI packages on a workstation or CI host running a version before 2.0.6. Teams that do not use Akamai CLI, or run only the current release, can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"developers","plain_action":null,"pkeys":[],"ptokens":[],"labels":["akamaicli","ci","developerworkstations","high","other"],"campaign_type":null,"search_a":"'-2026':12A,15A '-82518':13A,16A 'akamai':1A 'cli':2A 'cve':11A,14A 'directori':10A 'file':7A 'instal':9A 'malici':3A 'outsid':8A 'overwrit':6A 'packag':4A","search_b":"'2.0.6':27B 'akamai':18B,24B 'akamai-c':17B 'attack':54B 'ci':20B 'cli':19B,25B 'cli.json':37B 'command':31B 'craft':40B 'develop':22B 'developer-workst':21B 'directori':52B 'execut':68B 'file':48B 'get':56B 'instal':51B,60B 'name':32B 'outsid':49B 'overwrit':67B,76B 'packag':35B,41B,65B,80B 'path':44B,73B 'segment':45B 'surviv':77B 'uninstal':78B 'updat':62B 'use':43B 'valid':30B 'victim':58B,71B 'workstat':23B 'write':47B","search_c":"'2.0.6':84C 'akamai':81C 'allow':91C 'attack':108C 'cli':82C 'cli.json':107C 'command':103C 'contain':85C 'convinc':110C 'directori':100C 'execut':123C 'file':96C 'instal':99C,113C 'malici':92C 'name':104C 'outsid':97C 'overwrit':122C 'packag':93C,117C 'path':87C,128C 'persist':129C 'segment':120C 'travers':88C 'uninstal':131C 'unvalid':102C 'updat':115C 'use':119C 'user':126C 'valu':105C 'via':101C 'victim':111C 'vulner':89C 'write':95C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T17:17:48+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/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-2026-82518","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82518","severity":null,"published_at":"2026-11-10T17:17:48+00:00","modified_at":"2026-11-10T17:17:48+00:00","first_seen_at":"2026-11-10T17:22:44+00:00","fetched_at":"2026-11-10T17:22:44+00:00","note":null}],"documents":[{"id":116536,"url":"https://github.com/akamai/cli/commit/03cf2e4d7db3680ee8230aa399697d74b0ec5244","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":116537,"url":"https://github.com/akamai/cli/releases/tag/v2.0.6","title":"Release notes: github.com","kind":"release","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Release notes: github.com"},{"id":116538,"url":"https://www.vulncheck.com/advisories/akamai-cli-before-2.0.6-path-traversal-via-cli-json-command-names","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"}