{"id":"CVE-2026-124431","kind":"vulnerability","aliases":["CVE-2026-124431"],"related":[],"title":"Craft CMS: low-privilege users can browse volumes they should not see","description":"Craft CMS from 5.10.0 before 5.11.2 contains an authorization bypass vulnerability that allows authenticated low-privileged users to browse volumes they lack permissions for. Attackers can delete a linked asset and use the replacement volume browser modal to view directory structures of all volumes, though not file contents.","summary":"Craft CMS versions from 5.10.0 before 5.11.2 let an authenticated low-privileged user browse volumes they lack permission for. An attacker can delete a linked asset and use the replacement volume browser to list directory structures across all volumes, though not read file contents.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["craft-cms","package","php","self-hosted"],"not_affected_if":["managed-hosting-patched","no-authenticated-users","version-outside-range"],"how_to_check":"- Check the installed Craft CMS version in `composer.lock` or by running `./craft version`\n- Confirm whether any user accounts have low-privilege roles with asset access","fix":"- Craft CMS: move to `5.11.2` or later","status":"open","published_at":"2026-11-08T14:18:09+00:00","first_seen_at":"2026-11-08T14:48:38+00:00","triaged_at":"2026-11-08T14:51:02+00:00","updated_at":"2026-11-08T14:51:02+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-08T14:51:02Z","model":"claude-haiku-5-5","output":{"fix":"- Craft CMS: move to `5.11.2` or later","reach":"internet","title":"Craft CMS: low-privilege users can browse volumes they should not see","impact":"low","summary":"Craft CMS versions from 5.10.0 before 5.11.2 let an authenticated low-privileged user browse volumes they lack permission for. An attacker can delete a linked asset and use the replacement volume browser to list directory structures across all volumes, though not read file contents.","audience":"businesses","category":"package","nicknames":[],"who_cares":["craft-cms","self-hosted","php"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"directory structures of all volumes visible to a low-privilege user","analyst_note":"","how_to_check":"- Check the installed Craft CMS version in `composer.lock` or by running `./craft version`\n- Confirm whether any user accounts have low-privilege roles with asset access","plain_action":"","product_name":"","needs_analyst":false,"not_affected_if":["no-authenticated-users","managed-hosting-patched","version-outside-range"],"who_is_affected":"Sites running Craft CMS 5.10.0 through 5.11.1 where users with low-privilege accounts can log in and manage assets. The flaw needs an authenticated account and exposes directory listings, not file contents, so sites with only trusted editors or no logged-in users are lower risk.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000729,"input_tokens":4604,"output_tokens":537,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-124431':16A,19A '-2026':15A,18A '5.10.0':32B,76C '5.11.2':34B,78C 'across':65B 'allow':85C 'asset':54B,103C 'attack':49B,98C 'authent':37B,86C 'author':81C 'brows':8A,42B,92C 'browser':60B,109C 'bypass':82C 'cms':2A,22B,29B,74C 'contain':79C 'content':72B,121C 'craft':1A,21B,28B,73C 'craft-cm':20B 'cve':14A,17A 'delet':51B,100C 'directori':63B,113C 'file':71B,120C 'host':27B 'lack':45B,95C 'let':35B 'link':53B,102C 'list':62B 'low':4A,39B,88C 'low-privileg':3A,38B,87C 'modal':110C 'packag':23B 'permiss':46B,96C 'php':24B 'privileg':5A,40B,89C 'read':70B 'replac':58B,107C 'see':13A 'self':26B 'self-host':25B 'structur':64B,114C 'though':68B,118C 'use':56B,105C 'user':6A,41B,90C 'version':30B 'view':112C 'volum':9A,43B,59B,67B,93C,108C,117C 'vulner':83C","nicknames":[],"mitigations":[],"who_affected":"Sites running Craft CMS 5.10.0 through 5.11.1 where users with low-privilege accounts can log in and manage assets. The flaw needs an authenticated account and exposes directory listings, not file contents, so sites with only trusted editors or no logged-in users are lower risk.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["craftcms","medium","package","php","selfhosted"],"campaign_type":null,"search_a":"'-124431':16A,19A '-2026':15A,18A 'brows':8A 'cms':2A 'craft':1A 'cve':14A,17A 'low':4A 'low-privileg':3A 'privileg':5A 'see':13A 'user':6A 'volum':9A","search_b":"'5.10.0':32B '5.11.2':34B 'across':65B 'asset':54B 'attack':49B 'authent':37B 'brows':42B 'browser':60B 'cms':22B,29B 'content':72B 'craft':21B,28B 'craft-cm':20B 'delet':51B 'directori':63B 'file':71B 'host':27B 'lack':45B 'let':35B 'link':53B 'list':62B 'low':39B 'low-privileg':38B 'packag':23B 'permiss':46B 'php':24B 'privileg':40B 'read':70B 'replac':58B 'self':26B 'self-host':25B 'structur':64B 'though':68B 'use':56B 'user':41B 'version':30B 'volum':43B,59B,67B","search_c":"'5.10.0':76C '5.11.2':78C 'allow':85C 'asset':103C 'attack':98C 'authent':86C 'author':81C 'brows':92C 'browser':109C 'bypass':82C 'cms':74C 'contain':79C 'content':121C 'craft':73C 'delet':100C 'directori':113C 'file':120C 'lack':95C 'link':102C 'low':88C 'low-privileg':87C 'modal':110C 'permiss':96C 'privileg':89C 'replac':107C 'structur':114C 'though':118C 'use':105C 'user':90C 'view':112C 'volum':93C,108C,117C 'vulner':83C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-10-23T09:12:40+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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-2026-124431","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124431","severity":null,"published_at":"2026-11-08T14:18:09+00:00","modified_at":"2026-11-08T14:18:09+00:00","first_seen_at":"2026-11-08T14:48:38+00:00","fetched_at":"2026-11-08T14:48:38+00:00","note":null}],"documents":[{"id":102046,"url":"https://github.com/craftcms/cms/security/advisories/GHSA-hvp5-pwxx-2752","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-23T09:12:40+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"},{"id":102047,"url":"https://www.vulncheck.com/advisories/craft-cms-5.10.0-before-5.11.2-unauthorized-volume-browsing-via-asset-replacement","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"}