{"id":"CVE-2026-110841","aliases":["EUVD-2026-101724","GHSA-p3pg-xw4f-m72c","GHSA-v38m-4hx4-9x2r"],"status":"published","title":"n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval","description":"n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation.","severity":{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00282,"percentile":0.2091,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-10-14T22:52:16Z","modified":"2026-11-02T02:46:04Z","products":[{"vendor":"n8n-io","product":"n8n"}],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-p3pg-xw4f-m72c","tags":["vendor-advisory","advisory"]},{"url":"https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.0-authorization-bypass-in-agent-chat-resume-tool-approval","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110841","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v38m-4hx4-9x2r"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110841.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-110841","title":"n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval","description":"n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation.","status":"published","published":"2026-10-14T22:52:16.473Z","modified":"2026-10-20T02:21:47.592Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-101724","description":"n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation.","status":"published","published":"2026-10-14T22:52:16Z","modified":"2026-10-20T02:21:47Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:44.419021Z"}],"ghsa":[{"id":"GHSA-v38m-4hx4-9x2r","title":"n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint,...","description":"n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation.","status":"published","published":"2026-10-15T00:31:17Z","modified":"2026-10-15T00:31:17Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/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","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:13:29.914076Z"}],"nvd":[{"id":"CVE-2026-110841","description":"n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation.","status":"published","published":"2026-10-14T23:17:24.477Z","modified":"2026-10-20T03:17:13.8Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:59.328869Z"}],"osv":[{"id":"CVE-2026-110841","title":"n8n before 2.41.4 and 2.42.0 Authorization Bypass in Agent Chat Resume Tool Approval","description":"n8n before 2.41.4 and 2.42.0 contains an authorization bypass in the agent chat resume endpoint, which accepts a run identifier from the request body without verifying that the suspended checkpoint belongs to the caller. Authenticated project members can list and read other members' private agent conversations through project-scoped endpoints, then approve their pending tool calls, causing the tools to execute and write results into the victim's conversation.","status":"published","published":"2026-10-14T22:52:16.473Z","modified":"2026-11-02T02:46:04.514425704Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:44:55.61515Z"}]}}
