{"id":"CVE-2026-114074","kind":"vulnerability","aliases":["CVE-2026-114074"],"related":[],"title":"Trigger.dev: webhook SSRF lets project members reach internal 198.18.0.0/15 services","description":"Trigger.dev before 4.5.10 contains a server-side request forgery vulnerability that allows authenticated project members to bypass webhook SSRF protections by targeting the non-global 198.18.0.0/15 benchmarking range. Attackers can configure alert-channel webhooks pointing at internally routed services in this range, which isUnsafeIPv4 omits, to perform blind internal probing and limited state-changing POST requests.","summary":"Trigger.dev before 4.5.10 fails to block the 198.18.0.0/15 benchmarking range in its webhook SSRF filter. An authenticated project member can point an alert-channel webhook at internal services in that range and send blind probes and limited state-changing POST requests.","severity":"medium","cvss":5.4,"epss":0.00255,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","self-hosted","trigger.dev","webhooks"],"not_affected_if":["auth-required","managed-hosting"],"how_to_check":"- Check the installed Trigger.dev version against `4.5.10`\n- Review alert-channel webhook URLs in the project for targets in 198.18.0.0/15","fix":"- Upgrade Trigger.dev to `4.5.10` or later\n- Block outbound traffic from the Trigger.dev server to 198.18.0.0/15 at the network layer as an interim measure","status":"open","published_at":"2026-10-21T01:17:31+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","triaged_at":"2026-10-25T04:14:42+00:00","updated_at":"2026-10-25T04:14:42+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T04:14:42Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade Trigger.dev to `4.5.10` or later\n- Block outbound traffic from the Trigger.dev server to 198.18.0.0/15 at the network layer as an interim measure","reach":"network","title":"Trigger.dev: webhook SSRF lets project members reach internal 198.18.0.0/15 services","impact":"medium","summary":"Trigger.dev before 4.5.10 fails to block the 198.18.0.0/15 benchmarking range in its webhook SSRF filter. An authenticated project member can point an alert-channel webhook at internal services in that range and send blind probes and limited state-changing POST requests.","category":"package","nicknames":[],"who_cares":["trigger.dev","self-hosted","webhooks"],"confidence":0.7,"needs_auth":"yes","worst_case":"Blind internal probing and limited state-changing POST requests to internal services","analyst_note":"","how_to_check":"- Check the installed Trigger.dev version against `4.5.10`\n- Review alert-channel webhook URLs in the project for targets in 198.18.0.0/15","needs_analyst":false,"not_affected_if":["managed-hosting","auth-required"],"who_is_affected":"Self-hosted Trigger.dev deployments running a version before 4.5.10 where project members can configure alert-channel webhooks and internal services sit on routed 198.18.0.0/15 addresses. Teams using Trigger.dev Cloud or deployments already on 4.5.10 or later can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00062,"input_tokens":3402,"output_tokens":560,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-114074':14A,17A '-2026':13A,16A '/15':10A,32B,96C '198.18.0.0':9A,31B,95C '4.5.10':26B,70C 'alert':48B,103C 'alert-channel':47B,102C 'allow':80C 'attack':99C 'authent':41B,81C 'benchmark':33B,97C 'blind':59B,119C 'block':29B 'bypass':85C 'chang':65B,126C 'channel':49B,104C 'configur':101C 'contain':71C 'cve':12A,15A 'fail':27B 'filter':39B 'forgeri':77C 'global':94C 'host':21B 'intern':8A,52B,108C,120C 'isunsafeipv4':115C 'let':4A 'limit':62B,123C 'member':6A,43B,83C 'non':93C 'non-glob':92C 'omit':116C 'packag':18B 'perform':118C 'point':45B,106C 'post':66B,127C 'probe':60B,121C 'project':5A,42B,82C 'protect':88C 'rang':34B,56B,98C,113C 'reach':7A 'request':67B,76C,128C 'rout':109C 'self':20B 'self-host':19B 'send':58B 'server':74C 'server-sid':73C 'servic':11A,53B,110C 'side':75C 'ssrf':3A,38B,87C 'state':64B,125C 'state-chang':63B,124C 'target':90C 'trigger.dev':1A,22B,24B,68C 'vulner':78C 'webhook':2A,23B,37B,50B,86C,105C","nicknames":[],"mitigations":[],"who_affected":"Self-hosted Trigger.dev deployments running a version before 4.5.10 where project members can configure alert-channel webhooks and internal services sit on routed 198.18.0.0/15 addresses. Teams using Trigger.dev Cloud or deployments already on 4.5.10 or later can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T01:17:31+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":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-114074","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114074","severity":null,"published_at":"2026-10-21T01:17:31+00:00","modified_at":"2026-10-21T01:17:31+00:00","first_seen_at":"2026-10-23T21:57:27+00:00","fetched_at":"2026-10-23T22:29:01+00:00","note":null},{"source":"epss","external_id":"CVE-2026-114074","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114074","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:55+00:00","fetched_at":"2026-10-24T13:15:55+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"}