{"id":"CVE-2026-53631","kind":"vulnerability","aliases":["CVE-2026-53631"],"related":[],"title":"GLPI: authenticated users can expose restricted knowledge base items and feeds","description":"GLPI is a free asset and IT management software package. From 0.83 until 10.0.27 and from 11.0.0 until 11.0.9, any authenticated user could submit a crafted request to change the visibility of knowledge base items, reminders, or RSS feeds and then access content that should remain restricted. This issue is fixed in versions 10.0.27 and 11.0.9.","summary":"GLPI is an asset and IT management application. Any logged-in user can send a crafted request that changes the visibility of knowledge base items, reminders, or RSS feeds, letting them read content meant to stay restricted.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["glpi","it-asset-management","package","self-hosted"],"not_affected_if":["managed-hosting","single-trusted-user"],"how_to_check":"- Check the installed GLPI version in the admin footer or `config/config_db.php`'s parent release, and compare against `10.0.27` and `11.0.9`\n- Versions from 0.83 up to but not including `10.0.27`, and from `11.0.0` up to but not including `11.0.9`, are in the affected range","fix":"- GLPI 10.x: move to `10.0.27`\n- GLPI 11.x: move to `11.0.9`","status":"open","published_at":"2026-11-04T23:17:46+00:00","first_seen_at":"2026-11-05T00:30:59+00:00","triaged_at":"2026-11-05T00:32:00+00:00","updated_at":"2026-11-05T00:32:00+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-11-05T00:32:00Z","model":"claude-haiku-5-5","output":{"fix":"- GLPI 10.x: move to `10.0.27`\n- GLPI 11.x: move to `11.0.9`","reach":"network","title":"GLPI: authenticated users can expose restricted knowledge base items and feeds","impact":"medium","summary":"GLPI is an asset and IT management application. Any logged-in user can send a crafted request that changes the visibility of knowledge base items, reminders, or RSS feeds, letting them read content meant to stay restricted.","audience":"businesses","category":"package","nicknames":[],"who_cares":["glpi","self-hosted","it-asset-management"],"confidence":0.8,"fix_status":"available","needs_auth":"yes","worst_case":"authenticated user reads restricted knowledge base content and feeds","analyst_note":"","how_to_check":"- Check the installed GLPI version in the admin footer or `config/config_db.php`'s parent release, and compare against `10.0.27` and `11.0.9`\n- Versions from 0.83 up to but not including `10.0.27`, and from `11.0.0` up to but not including `11.0.9`, are in the affected range","plain_action":"","needs_analyst":false,"not_affected_if":["managed-hosting","single-trusted-user"],"who_is_affected":"Organizations that run GLPI with user accounts that are not fully trusted, since any authenticated user can reach restricted knowledge base items, reminders, and RSS feeds. Instances where only administrators have logins carry much less exposure. Hosted or fully managed GLPI instances are handled by the provider.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000715,"input_tokens":4295,"output_tokens":571,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-53631':14A,17A '0.83':76C '10.0.27':78C,118C '11.0.0':81C '11.0.9':83C,120C 'access':106C 'applic':34B 'asset':21B,30B,69C 'authent':2A,85C 'base':8A,51B,98C 'chang':46B,93C 'content':60B,107C 'could':87C 'craft':43B,90C 'cve':12A,15A 'expos':5A 'feed':11A,56B,103C 'fix':115C 'free':68C 'glpi':1A,18B,27B,65C 'host':26B 'issu':113C 'it-asset-manag':19B 'item':9A,52B,99C 'knowledg':7A,50B,97C 'let':57B 'log':37B 'logged-in':36B 'manag':22B,33B,72C 'meant':61B 'packag':23B,74C 'read':59B 'remain':110C 'remind':53B,100C 'request':44B,91C 'restrict':6A,64B,111C 'rss':55B,102C 'self':25B 'self-host':24B 'send':41B 'softwar':73C 'stay':63B 'submit':88C 'user':3A,39B,86C 'version':117C 'visibl':48B,95C","nicknames":[],"mitigations":[],"who_affected":"Organizations that run GLPI with user accounts that are not fully trusted, since any authenticated user can reach restricted knowledge base items, reminders, and RSS feeds. Instances where only administrators have logins carry much less exposure. Hosted or fully managed GLPI instances are handled by the provider.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["glpi","itassetmanagement","medium","package","selfhosted"],"campaign_type":null,"first_public_at":"2026-10-07T07:56:35+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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":"security-advisories@github.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-53631","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53631","severity":null,"published_at":"2026-11-04T23:17:46+00:00","modified_at":"2026-11-04T23:17:46+00:00","first_seen_at":"2026-11-05T00:30:59+00:00","fetched_at":"2026-11-05T00:30:59+00:00","note":null}],"documents":[{"id":71471,"url":"https://github.com/glpi-project/glpi/commit/6482e735e2a98b03927b0cb35f47bf81230ad35a","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":71472,"url":"https://github.com/glpi-project/glpi/commit/89ed992a44be28f24881e19678b38f9fd3fa4309","title":"Patch: github.com","kind":"other","source":"nvd","publisher":"vendor","text":null,"published_at":null,"relation":"fix","confidence":null,"note":"Patch: github.com"},{"id":71473,"url":"https://github.com/glpi-project/glpi/releases/tag/10.0.27","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":71474,"url":"https://github.com/glpi-project/glpi/releases/tag/11.0.9","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":71475,"url":"https://github.com/glpi-project/glpi/security/advisories/GHSA-5qgv-9jcx-wph7","title":"Vendor advisory: github.com","kind":"vendor","source":"nvd","publisher":"vendor","text":null,"published_at":"2026-10-07T07:56:35+00:00","relation":"advisory","confidence":null,"note":"Vendor advisory: github.com"}],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}