{"id":"CVE-2026-113594","kind":"vulnerability","aliases":["CVE-2026-113594"],"related":[],"title":"Sharkord: any member can change server-wide settings without permission","description":"Sharkord before 0.0.8 contains a missing authorization vulnerability that allows any authenticated member to change server-wide settings by calling the others.updateSettings tRPC mutation without the MANAGE_SETTINGS permission. Attackers can set a join password, disable registration, zero upload limits, or toggle plugin loading to deny service to other members.","summary":"Sharkord before 0.0.8 lets any authenticated member call the others.updateSettings tRPC mutation without holding the MANAGE_SETTINGS permission. An attacker can set a join password, disable registration, zero upload limits, or toggle plugin loading, which denies service to other members.","severity":"medium","cvss":5.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chat","package","self-hosted","sharkord"],"not_affected_if":["no-untrusted-members","version-0.0.8-or-later"],"how_to_check":"- Check the installed Sharkord version, for example with `sharkord --version` or the package.json of the deployed build, and confirm whether it is below `0.0.8`\n- Review the server's settings in the admin UI for an unexpected join password, disabled registration, or zero upload limits","fix":"- Upgrade Sharkord to `0.0.8` or later\n- After upgrading, review server settings for changes made by non-admin members and restore expected values","status":"open","published_at":"2026-10-20T16:17:07+00:00","first_seen_at":"2026-10-23T21:57:20+00:00","triaged_at":"2026-10-25T04:16:35+00:00","updated_at":"2026-10-25T04:16:35+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-25T04:16:35Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Sharkord to `0.0.8` or later\n- After upgrading, review server settings for changes made by non-admin members and restore expected values","reach":"network","title":"Sharkord: any member can change server-wide settings without permission","impact":"medium","summary":"Sharkord before 0.0.8 lets any authenticated member call the others.updateSettings tRPC mutation without holding the MANAGE_SETTINGS permission. An attacker can set a join password, disable registration, zero upload limits, or toggle plugin loading, which denies service to other members.","category":"package","nicknames":[],"who_cares":["sharkord","self-hosted","chat"],"confidence":0.8,"needs_auth":"yes","worst_case":"any member can disable registration and deny service","analyst_note":"","how_to_check":"- Check the installed Sharkord version, for example with `sharkord --version` or the package.json of the deployed build, and confirm whether it is below `0.0.8`\n- Review the server's settings in the admin UI for an unexpected join password, disabled registration, or zero upload limits","needs_analyst":false,"not_affected_if":["version-0.0.8-or-later","no-untrusted-members"],"who_is_affected":"Any Sharkord server running a version before 0.0.8 that has regular authenticated members beyond the admins. Single-user or admin-only servers have little exposure because the attacker must already hold a member account.","user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000594,"input_tokens":3335,"output_tokens":521,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113594':14A,17A '-2026':13A,16A '0.0.8':26B,66C 'allow':73C 'attack':43B,94C 'authent':29B,75C 'author':70C 'call':31B,84C 'chang':5A,78C 'chat':18B 'contain':67C 'cve':12A,15A 'deni':59B,110C 'disabl':49B,100C 'hold':37B 'host':22B 'join':47B,98C 'let':27B 'limit':53B,104C 'load':57B,108C 'manag':39B,91C 'member':3A,30B,63B,76C,114C 'miss':69C 'mutat':35B,88C 'others.updatesettings':33B,86C 'packag':19B 'password':48B,99C 'permiss':11A,41B,93C 'plugin':56B,107C 'registr':50B,101C 'self':21B 'self-host':20B 'server':7A,80C 'server-wid':6A,79C 'servic':60B,111C 'set':9A,40B,45B,82C,92C,96C 'sharkord':1A,23B,24B,64C 'toggl':55B,106C 'trpc':34B,87C 'upload':52B,103C 'vulner':71C 'wide':8A,81C 'without':10A,36B,89C 'zero':51B,102C","nicknames":[],"mitigations":[],"who_affected":"Any Sharkord server running a version before 0.0.8 that has regular authenticated members beyond the admins. Single-user or admin-only servers have little exposure because the attacker must already hold a member account.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T16:17:07+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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-2026-113594","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113594","severity":null,"published_at":"2026-10-20T16:17:07+00:00","modified_at":"2026-10-20T20:11:29+00:00","first_seen_at":"2026-10-23T21:57:20+00:00","fetched_at":"2026-10-23T22:28:58+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"}