{"id":"CVE-2026-90811","state":"PUBLISHED","title":"cosmicstack-labs mercury-agent Shell Permission Manifest permissions.ts PermissionManager.checkShellCommand information disclosure","description":"A weakness has been identified in cosmicstack-labs mercury-agent up to 1.2.0. This affects the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Permission Manifest. Executing a manipulation can lead to information disclosure. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","publishedAt":"2026-09-14T18:45:10.662Z","updatedAt":"2026-09-14T19:00:26.923Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["cosmicstack-labs mercury-agent"],"affected":[{"vendor":"cosmicstack-labs","product":"mercury-agent","versions":[{"version":"1.0","status":"affected"},{"version":"1.1","status":"affected"},{"version":"1.2.0","status":"affected"}],"cpes":["cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*"],"modules":["Shell Permission Manifest"]}],"references":["https://vuldb.com/vuln/403313","https://vuldb.com/vuln/403313/cti","https://vuldb.com/cve/CVE-2026-90811","https://vuldb.com/submit/922877","https://github.com/cosmicstack-labs/mercury-agent/issues/102","https://github.com/cosmicstack-labs/mercury-agent/"],"weaknesses":["CWE-200","CWE-284"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90811.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90811","state":"PUBLISHED","datePublished":"2026-09-14T18:45:10.662Z","dateUpdated":"2026-09-14T19:00:26.923Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-13T16:29:45.144Z"},"containers":{"cna":{"title":"cosmicstack-labs mercury-agent Shell Permission Manifest permissions.ts PermissionManager.checkShellCommand information disclosure","descriptions":[{"lang":"en","value":"A weakness has been identified in cosmicstack-labs mercury-agent up to 1.2.0. This affects the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Permission Manifest. Executing a manipulation can lead to information disclosure. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."}],"affected":[{"vendor":"cosmicstack-labs","product":"mercury-agent","versions":[{"version":"1.0","status":"affected"},{"version":"1.1","status":"affected"},{"version":"1.2.0","status":"affected"}],"cpes":["cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*"],"modules":["Shell Permission Manifest"]}],"references":[{"url":"https://vuldb.com/vuln/403313","name":"VDB-403313 | cosmicstack-labs mercury-agent Shell Permission Manifest permissions.ts PermissionManager.checkShellCommand information disclosure","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/403313/cti","name":"VDB-403313 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-90811","name":"CVE-2026-90811 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/922877","name":"Submit #922877 | cosmicstack-labs mercury-agent <= 1.2.0 Exposure of Sensitive Information to an Unauthorized Actor (CWE-200)","tags":["third-party-advisory"]},{"url":"https://github.com/cosmicstack-labs/mercury-agent/issues/102","tags":["exploit","issue-tracking"]},{"url":"https://github.com/cosmicstack-labs/mercury-agent/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":3.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":3.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","type":"CWE","lang":"en","description":"Information Disclosure"}]},{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"Improper Access Controls"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-09-14T18:45:10.662Z"},"timeline":[{"time":"2026-09-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-13T18:35:05.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Eric-a (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-14T19:00:15.175855Z","id":"CVE-2026-90811","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-14T19:00:26.923Z"}}]}}}