{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-58138: Orkes Conductor 3.21.21 < 3.30.2 Unauthenticated RCE via GraalVM Script Evaluators","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-58138","status":"final","version":"1","initial_release_date":"2026-06-30T18:44:12.734Z","current_release_date":"2026-06-30T18:44:12.734Z","revision_history":[{"date":"2026-06-30T18:44:12.734Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Orkes Conductor 3.21.21 before 3.30.2 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary OS commands by submitting inline workflow definitions containing malicious JavaScript or Python expressions to the workflow API endpoint prior to authentication. Attackers can exploit unsandboxed GraalVM evaluators configured with HostAccess.ALL or allowAllAccess(true) through INLINE, LAMBDA, DO_WHILE, and SWITCH task types to invoke arbitrary system commands via Java reflection or direct subprocess calls.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-58138 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-58138"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-58138"},{"category":"external","summary":"Release Notes","url":"https://github.com/conductor-oss/conductor/releases/tag/v3.30.2"},{"category":"external","summary":"Patch Commit (1)","url":"https://github.com/conductor-oss/conductor/commit/87a7d96aabbb706d6e84f812b93da5165028d18f"},{"category":"external","summary":"Patch Commit (2)","url":"https://github.com/conductor-oss/conductor/commit/c691e35e768caeb802c9f06ecdd9674c80081af1"},{"category":"external","summary":"Related CVE","url":"https://www.cve.org/CVERecord?id=CVE-2025-26074"},{"category":"external","summary":"vulncheck.com","url":"https://www.vulncheck.com/advisories/orkes-conductor-unauthenticated-rce-via-graalvm-script-evaluators"}]},"product_tree":{"branches":[{"category":"vendor","name":"conductor-oss","branches":[{"category":"product_name","name":"conductor","branches":[{"category":"product_version_range","name":">=3.21.21 <3.30.2","product":{"name":"conductor-oss conductor >=3.21.21 <3.30.2","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:conductor-oss:conductor:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-58138","title":"Orkes Conductor 3.21.21 < 3.30.2 Unauthenticated RCE via GraalVM Script Evaluators","notes":[{"category":"description","text":"Orkes Conductor 3.21.21 before 3.30.2 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary OS commands by submitting inline workflow definitions containing malicious JavaScript or Python expressions to the workflow API endpoint prior to authentication. Attackers can exploit unsandboxed GraalVM evaluators configured with HostAccess.ALL or allowAllAccess(true) through INLINE, LAMBDA, DO_WHILE, and SWITCH task types to invoke arbitrary system commands via Java reflection or direct subprocess calls.","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:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":9.3,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 3.30.2.","product_ids":["CSAFPID-1"],"url":"https://github.com/conductor-oss/conductor/commit/87a7d96aabbb706d6e84f812b93da5165028d18f"}]}]}