{"id":"CVE-2026-120427","kind":"vulnerability","aliases":["CVE-2026-120427"],"related":[],"title":"MrDoc: missing authorization lets logged-in users read others' document templates","description":"MrDoc through 1.1.1 contains a missing authorization vulnerability in the get_doctemp view that allows authenticated users to read other users' document templates. Attackers can enumerate the sequential doctemp_id POST parameter to retrieve the private template content of every user on the instance.","summary":"MrDoc, a self-hosted documentation wiki, has a missing authorization check in its get_doctemp view. An authenticated user can enumerate sequential doctemp_id values to read the private document templates of every user on the instance.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["django","mrdoc","package","python","self-hosted"],"not_affected_if":["no-untrusted-accounts","single-user-instance"],"how_to_check":"- Check the installed MrDoc version against the `1.1.1` range named in the advisory\n- Confirm whether the instance is reachable by users who hold ordinary accounts (unknown if the sources do not say more)","fix":"- Move past the affected range through `1.1.1` (the patched version is not named in the sources; see the linked patch and release notes)","status":"open","published_at":"2026-11-02T15:17:23+00:00","first_seen_at":"2026-11-02T15:24:01+00:00","triaged_at":"2026-11-02T15:26:30+00:00","updated_at":"2026-11-02T15:26:30+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-02T15:26:30Z","model":"claude-haiku-5-5","output":{"fix":"- Move past the affected range through `1.1.1` (the patched version is not named in the sources; see the linked patch and release notes)","reach":"network","title":"MrDoc: missing authorization lets logged-in users read others' document templates","impact":"low","summary":"MrDoc, a self-hosted documentation wiki, has a missing authorization check in its get_doctemp view. An authenticated user can enumerate sequential doctemp_id values to read the private document templates of every user on the instance.","audience":"businesses","category":"package","nicknames":[],"who_cares":["mrdoc","self-hosted","python","django"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"logged-in users read other users' private document templates","analyst_note":"Confirm the patched version number from the linked GitHub patch and release notes, and check whether the view is reachable by default.","how_to_check":"- Check the installed MrDoc version against the `1.1.1` range named in the advisory\n- Confirm whether the instance is reachable by users who hold ordinary accounts (unknown if the sources do not say more)","plain_action":"","needs_analyst":true,"not_affected_if":["single-user-instance","no-untrusted-accounts"],"who_is_affected":"Teams running MrDoc 1.1.1 or earlier where more than one person has an account, since any logged-in user can request other users' templates by ID. Instances used by a single trusted user, or with no open registration, are much less exposed. The sources do not say whether the flaw depends on a non-default setting.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.0007,"input_tokens":4172,"output_tokens":565,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-120427':15A,18A '-2026':14A,17A '1.1.1':66C 'allow':78C 'attack':87C 'authent':44B,79C 'author':3A,36B,70C 'check':37B 'contain':67C 'content':101C 'cve':13A,16A 'django':19B 'doctemp':41B,49B,75C,92C 'document':11A,31B,56B,85C 'enumer':47B,89C 'everi':59B,103C 'get':40B,74C 'host':25B,30B 'id':50B,93C 'instanc':63B,107C 'let':4A 'log':6A 'logged-in':5A 'miss':2A,35B,69C 'mrdoc':1A,20B,26B,64C 'other':10A 'packag':21B 'paramet':95C 'post':94C 'privat':55B,99C 'python':22B 'read':9A,53B,82C 'retriev':97C 'self':24B,29B 'self-host':23B,28B 'sequenti':48B,91C 'templat':12A,57B,86C,100C 'user':8A,45B,60B,80C,84C,104C 'valu':51B 'view':42B,76C 'vulner':71C 'wiki':32B","nicknames":[],"mitigations":[],"who_affected":"Teams running MrDoc 1.1.1 or earlier where more than one person has an account, since any logged-in user can request other users' templates by ID. Instances used by a single trusted user, or with no open registration, are much less exposed. The sources do not say whether the flaw depends on a non-default setting.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["django","medium","mrdoc","package","python","selfhosted"],"first_public_at":"2026-11-02T15:17:23+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-2026-120427","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120427","severity":null,"published_at":"2026-11-02T15:17:23+00:00","modified_at":"2026-11-02T15:17:23+00:00","first_seen_at":"2026-11-02T15:24:01+00:00","fetched_at":"2026-11-02T15:24:01+00:00","note":null}],"documents":[{"id":52443,"url":"https://github.com/zmister2016/MrDoc/commit/ec93679499fb6ea88ce868ffc9169fe025917095","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":52444,"url":"https://github.com/zmister2016/MrDoc/releases/tag/v1.1.1","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":52445,"url":"https://www.vulncheck.com/advisories/mrdoc-through-1.1.1-missing-authorization-via-get-doctemp-template-read","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"}