{"id":"CVE-2026-120501","kind":"vulnerability","aliases":["CVE-2026-120501"],"related":[],"title":"Otter Wiki: DataTable embedding lets editors read repository-internal files","description":"An Otter Wiki 2.20.1 before 2.26.2 contains a file disclosure vulnerability in the DataTable embedding that allows attackers who can edit pages, including anonymous users under the default configuration, to read repository-internal files. Attackers can set an absolute src such as /.git/config to render the file as a table, exposing any stored remote credentials.","summary":"Otter Wiki versions from 2.20.1 before 2.26.2 let anyone who can edit pages embed a DataTable pointing at an absolute path such as /.git/config. The file is rendered as a table, so an attacker can read repository-internal files, including any stored remote credentials.","severity":"medium","cvss":6.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["otter-wiki","package","python","self-hosted"],"not_affected_if":["auth-required-editing","managed-hosting"],"how_to_check":"- Check the installed Otter Wiki version against `2.20.1` to `2.26.2`.\n- Confirm whether anonymous page editing is enabled in your configuration.","fix":"- Otter Wiki: upgrade to `2.26.2` or later.","status":"open","published_at":"2026-11-02T16:17:34+00:00","first_seen_at":"2026-11-02T16:24:04+00:00","triaged_at":"2026-11-02T16:26:44+00:00","updated_at":"2026-11-02T16:26:44+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-02T16:26:44Z","model":"claude-haiku-5-5","output":{"fix":"- Otter Wiki: upgrade to `2.26.2` or later.","reach":"internet","title":"Otter Wiki: DataTable embedding lets editors read repository-internal files","impact":"medium","summary":"Otter Wiki versions from 2.20.1 before 2.26.2 let anyone who can edit pages embed a DataTable pointing at an absolute path such as /.git/config. The file is rendered as a table, so an attacker can read repository-internal files, including any stored remote credentials.","audience":"businesses","category":"package","nicknames":[],"who_cares":["self-hosted","otter-wiki","python"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Repository files and stored git remote credentials become readable by editors","analyst_note":"","how_to_check":"- Check the installed Otter Wiki version against `2.20.1` to `2.26.2`.\n- Confirm whether anonymous page editing is enabled in your configuration.","plain_action":"","needs_analyst":false,"not_affected_if":["managed-hosting","auth-required-editing"],"who_is_affected":"Teams running a self-hosted Otter Wiki between 2.20.1 and 2.26.2. Anonymous editing is allowed under the default configuration, so exposure is highest on public instances; instances where only trusted accounts can edit are at lower risk. Hosted or unrelated wikis can skip it.","user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000684,"input_tokens":4203,"output_tokens":528,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-120501':14A,17A '-2026':13A,16A '/.git/config':49B,114C '2.20.1':30B,74C '2.26.2':32B,76C 'absolut':45B,110C 'allow':87C 'anonym':94C 'anyon':34B 'attack':59B,88C,106C 'configur':99C 'contain':77C 'credenti':70B,126C 'cve':12A,15A 'datat':3A,41B,84C 'default':98C 'disclosur':80C 'edit':37B,91C 'editor':6A 'emb':39B 'embed':4A,85C 'expos':122C 'file':11A,51B,65B,79C,105C,118C 'host':25B 'includ':66B,93C 'intern':10A,64B,104C 'let':5A,33B 'otter':1A,19B,26B,72C 'otter-wiki':18B 'packag':21B 'page':38B,92C 'path':46B 'point':42B 'python':22B 'read':7A,61B,101C 'remot':69B,125C 'render':53B,116C 'repositori':9A,63B,103C 'repository-intern':8A,62B,102C 'self':24B 'self-host':23B 'set':108C 'src':111C 'store':68B,124C 'tabl':56B,121C 'user':95C 'version':28B 'vulner':81C 'wiki':2A,20B,27B,73C","nicknames":[],"mitigations":[],"who_affected":"Teams running a self-hosted Otter Wiki between 2.20.1 and 2.26.2. Anonymous editing is allowed under the default configuration, so exposure is highest on public instances; instances where only trusted accounts can edit are at lower risk. Hosted or unrelated wikis can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","otterwiki","package","python","selfhosted"],"first_public_at":"2026-11-02T16:17:34+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2026-120501","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120501","severity":null,"published_at":"2026-11-02T16:17:34+00:00","modified_at":"2026-11-02T16:17:34+00:00","first_seen_at":"2026-11-02T16:24:04+00:00","fetched_at":"2026-11-02T16:24:04+00:00","note":null}],"documents":[{"id":52765,"url":"https://github.com/redimp/otterwiki/commit/263cac4981f60d92c46adf6386591cf4bc4d6835","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":52763,"url":"https://github.com/redimp/otterwiki/releases/tag/v2.26.2","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":52767,"url":"https://www.vulncheck.com/advisories/an-otter-wiki-2.20.1-before-2.26.2-repository-file-disclosure-via-datatable-src","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"}],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}