{"schemaVersion":3,"id":"CVE-2026-16326","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability (CVE-2026-16326) is fixed in consul-mcp-server 0.1.4.","dates":{"published":"2026-07-29T18:40:08.796Z","modified":"2026-07-29T19:10:11.027Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":10,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":10,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00537,"percentile":0.44128,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.23799999999999996,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00299},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00537,"percentile":0.44128}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00299,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00537,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00537,"percentile":0.44128}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-488","name":"Exposure of Data Element to Wrong Session","description":"The product does not sufficiently enforce boundaries between the states of different sessions, causing data to be provided to, or used by, the wrong session.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/488.html"}],"affected":[{"vendor":"hashicorp","product":"tooling","name":"Tooling","label":"tooling","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 0.1.0, < 0.1.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 0.1.0, < 0.1.4","eol":null,"hubHref":"/vendor/hashicorp/tooling"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-24-multiple-vulnerabilities-impacting-hashicorp-consul-mcp-server/77612","label":"discuss.hashicorp.com/t/…","hostname":"discuss.hashicorp.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-07-29T18:40:08.796Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-29T19:10:11.027Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T04:08:47.451Z","stale":false,"partial":false}}