{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18998","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-05T19:41:53.908Z","datePublished":"2026-08-06T04:45:09.185Z","dateUpdated":"2026-08-06T17:32:05.855Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-06T04:45:09.185Z"},"title":"cosmicstack-labs mercury-agent delegate_task Tool sub-agent.ts SubAgent.run improper authorization","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-285","lang":"en","description":"Improper Authorization"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-266","lang":"en","description":"Incorrect Privilege Assignment"}]}],"affected":[{"vendor":"cosmicstack-labs","product":"mercury-agent","versions":[{"version":"1.1.0","status":"affected"},{"version":"1.1.1","status":"affected"},{"version":"1.1.2","status":"affected"},{"version":"1.1.3","status":"affected"},{"version":"1.1.4","status":"affected"},{"version":"1.1.5","status":"affected"},{"version":"1.1.6","status":"affected"},{"version":"1.1.7","status":"affected"},{"version":"1.1.8","status":"affected"},{"version":"1.1.9","status":"affected"},{"version":"1.1.10","status":"affected"},{"version":"1.1.11","status":"affected"},{"version":"1.1.12","status":"affected"}],"cpes":["cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*"],"modules":["delegate_task Tool"]}],"descriptions":[{"lang":"en","value":"A vulnerability was determined in cosmicstack-labs mercury-agent up to 1.1.12. Impacted is the function SubAgent.run of the file src/core/sub-agent.ts of the component delegate_task Tool. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":6.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-08-05T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-05T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-05T21:47:01.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"ChenMarry (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/386381","name":"VDB-386381 | cosmicstack-labs mercury-agent delegate_task Tool sub-agent.ts SubAgent.run improper authorization","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/386381/cti","name":"VDB-386381 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-18998","name":"CVE-2026-18998 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/862628","name":"Submit #862628 | cosmicstack-labs mercury-agent 1.1.12 Improper Authorization (CWE-285)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/862629","name":"Submit #862629 | cosmicstack-labs mercury-agent 1.1.12 Improper Authorization (CWE-285) (Duplicate)","tags":["third-party-advisory"]},{"url":"https://github.com/cosmicstack-labs/mercury-agent/issues/74","tags":["exploit","issue-tracking"]},{"url":"https://github.com/cosmicstack-labs/mercury-agent/","tags":["product"]}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-06T17:25:38.770763Z","id":"CVE-2026-18998","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-06T17:32:05.855Z"}}]}}