{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-55413: ToolJet - Marketplace Plugin Poisoning Enables Instance-Wide Remote Code Execution","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-55413","status":"final","version":"1","initial_release_date":"2026-06-25T16:03:40.348Z","current_release_date":"2026-06-25T18:01:40.725Z","revision_history":[{"date":"2026-06-25T16:03:40.348Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"ToolJet is the open-source foundation am AI-native platform for building and deploying internal tools, workflows and AI agents. Prior to 3.20.178-lts, any authenticated user with builder role (free tier) can overwrite a globally-shared marketplace plugin with arbitrary JavaScript that executes server-side with full Node.js access (require, process). The malicious code runs whenever any user on the instance triggers a query using that plugin — achieving both RCE and supply-chain compromise of the entire ToolJet deployment. This vulnerability is fixed in 3.20.178-lts.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-55413 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-55413"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-55413"},{"category":"external","summary":"https://github.com/ToolJet/ToolJet/security/advisories/GHSA-jgmf-cw3v-r98x","url":"https://github.com/ToolJet/ToolJet/security/advisories/GHSA-jgmf-cw3v-r98x"}]},"product_tree":{"branches":[{"category":"vendor","name":"ToolJet","branches":[{"category":"product_name","name":"ToolJet","branches":[{"category":"product_version","name":"< 3.20.178-lts","product":{"name":"ToolJet ToolJet < 3.20.178-lts","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:tooljet:tooljet:\\<_3.20.178-lts:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-55413","title":"ToolJet - Marketplace Plugin Poisoning Enables Instance-Wide Remote Code Execution","notes":[{"category":"description","text":"ToolJet is the open-source foundation am AI-native platform for building and deploying internal tools, workflows and AI agents. Prior to 3.20.178-lts, any authenticated user with builder role (free tier) can overwrite a globally-shared marketplace plugin with arbitrary JavaScript that executes server-side with full Node.js access (require, process). The malicious code runs whenever any user on the instance triggers a query using that plugin — achieving both RCE and supply-chain compromise of the entire ToolJet deployment. This vulnerability is fixed in 3.20.178-lts.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","baseScore":9.4,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}