{"id":"CVE-2026-116213","kind":"vulnerability","aliases":["CVE-2026-116213"],"related":[],"title":"Webasyst Framework: theme archive symlinks let users read server files","description":"Webasyst Framework through 4.4.0 contains an arbitrary file read vulnerability in waArchiveTar::writeItem() that creates symlinks from theme archives without validating link targets. Authenticated users with theme management rights can upload themes containing symlinks to wa-config/db.php or /etc/passwd and read them through the public theme path.","summary":"Webasyst Framework through 4.4.0 extracts theme archives and creates symlinks without checking where they point. A user with theme management rights can upload a theme containing a symlink to files such as wa-config/db.php or /etc/passwd and read them through the public theme path.","severity":"medium","cvss":6.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["other","php","self-hosted","webasyst"],"not_affected_if":["auth-required","managed-hosting"],"how_to_check":"- Check the installed Webasyst Framework version against `4.4.0` in the installation's version file or the admin dashboard.\n- Look for symlinks in theme directories with `find <webasyst-root>/wa-data -type l` and inspect any link targets pointing outside the theme.","fix":"- unknown","status":"open","published_at":"2026-10-26T14:16:34+00:00","first_seen_at":"2026-10-26T14:30:36+00:00","triaged_at":"2026-10-26T14:32:32+00:00","updated_at":"2026-10-26T14:32:32+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-26T14:32:32Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"internet","title":"Webasyst Framework: theme archive symlinks let users read server files","impact":"medium","summary":"Webasyst Framework through 4.4.0 extracts theme archives and creates symlinks without checking where they point. A user with theme management rights can upload a theme containing a symlink to files such as wa-config/db.php or /etc/passwd and read them through the public theme path.","category":"other","nicknames":[],"who_cares":["webasyst","self-hosted","php"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker reads database credentials and system files from the server.","analyst_note":"Find the vendor advisory or patched Webasyst release version and confirm whether theme upload is open to all users with theme rights; NVD page is the only source.","how_to_check":"- Check the installed Webasyst Framework version against `4.4.0` in the installation's version file or the admin dashboard.\n- Look for symlinks in theme directories with `find <webasyst-root>/wa-data -type l` and inspect any link targets pointing outside the theme.","needs_analyst":true,"not_affected_if":["auth-required","managed-hosting"],"who_is_affected":"Installations of Webasyst Framework up to and including 4.4.0 where users hold theme management rights can be exposed. Sites that restrict theme management to fully trusted administrators, or that run a newer release, are less exposed. unknown whether a specific patched version exists in the sources.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000606,"input_tokens":3341,"output_tokens":544,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-116213':13A,16A '-2026':12A,15A '/db.php':58B,107C '/etc/passwd':60B,109C '4.4.0':26B,72C 'arbitrari':75C 'archiv':4A,29B,87C 'authent':92C 'check':34B 'config':57B,106C 'contain':48B,73C,101C 'creat':31B,83C 'cve':11A,14A 'extract':27B 'file':10A,52B,76C 'framework':2A,24B,70C 'host':21B 'let':6A 'link':90C 'manag':42B,96C 'path':68B,117C 'php':18B 'point':37B 'public':66B,115C 'read':8A,62B,77C,111C 'right':43B,97C 'self':20B 'self-host':19B 'server':9A 'symlink':5A,32B,50B,84C,102C 'target':91C 'theme':3A,28B,41B,47B,67B,86C,95C,100C,116C 'upload':45B,99C 'user':7A,39B,93C 'valid':89C 'vulner':78C 'wa':56B,105C 'wa-config':55B,104C 'waarchivetar':80C 'webasyst':1A,22B,23B,69C 'without':33B,88C 'writeitem':81C","nicknames":[],"mitigations":[],"who_affected":"Installations of Webasyst Framework up to and including 4.4.0 where users hold theme management rights can be exposed. Sites that restrict theme management to fully trusted administrators, or that run a newer release, are less exposed. unknown whether a specific patched version exists in the sources.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T14:16:34+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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-2026-116213","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116213","severity":null,"published_at":"2026-10-26T14:16:34+00:00","modified_at":"2026-10-26T14:16:34+00:00","first_seen_at":"2026-10-26T14:30:36+00:00","fetched_at":"2026-10-26T14:30:36+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"}