{"id":"CVE-2026-120323","title":"samanhappy MCPHub passthroughHeaders.ts information disclosure","summary":"A security flaw has been discovered in samanhappy MCPHub up to 1.0.45/1.1.7. Impacted is an unknown function of the file src/utils/passthroughHeaders.ts. The manipulation of the argument passthroughHeaders results in information disclosu…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-200","CWE-284"],"vendor":"samanhappy","product":"MCPHub","affected":["MCPHub 1.0.0","MCPHub 1.0.1","MCPHub 1.0.2","MCPHub 1.0.3","MCPHub 1.0.4","MCPHub 1.0.5","MCPHub 1.0.6","MCPHub 1.0.7","MCPHub 1.0.8","MCPHub 1.0.9","MCPHub 1.0.10","MCPHub 1.0.11","MCPHub 1.0.12","MCPHub 1.0.13","MCPHub 1.0.14","MCPHub 1.0.15","MCPHub 1.0.16","MCPHub 1.0.17","MCPHub 1.0.18","MCPHub 1.0.19","MCPHub 1.0.20","MCPHub 1.0.21","MCPHub 1.0.22","MCPHub 1.0.23","MCPHub 1.0.24","MCPHub 1.0.25","MCPHub 1.0.26","MCPHub 1.0.27","MCPHub 1.0.28","MCPHub 1.0.29","MCPHub 1.0.30","MCPHub 1.0.31","MCPHub 1.0.32","MCPHub 1.0.33","MCPHub 1.0.34","MCPHub 1.0.35","MCPHub 1.0.36","MCPHub 1.0.37","MCPHub 1.0.38","MCPHub 1.0.39","MCPHub 1.0.40","MCPHub 1.0.41","MCPHub 1.0.42","MCPHub 1.0.43","MCPHub 1.0.44","MCPHub 1.0.45","MCPHub 1.1.0","MCPHub 1.1.1","MCPHub 1.1.2","MCPHub 1.1.3"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T14:22:43.150982Z"},"exploitAvailable":true,"published":"2026-11-02","updated":"2026-11-02","sourceUpdated":"2026-11-02T14:23:13.148Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120323","references":[{"url":"https://vuldb.com/vuln/429655","label":"VDB-429655 | samanhappy MCPHub passthroughHeaders.ts information disclosure"},{"url":"https://vuldb.com/vuln/429655/cti","label":"VDB-429655 | CTI Indicators (IOB, IOC, TTP, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-120323","label":"CVE-2026-120323 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1015029","label":"Submit #1015029 | samanhappy MCPHub v1.0.45 information disclosure / credential theft"},{"url":"https://github.com/0xGenesi/CVE/blob/main/MCPHub_OpenAPI_passthroughHeaders_Credential_Exfiltration.md"},{"url":"https://github.com/samanhappy/mcphub/commit/040f7b9ae004070bdfe5084cde6bc2c609f78e76"},{"url":"https://github.com/samanhappy/mcphub/releases/tag/v1.1.8"},{"url":"https://github.com/samanhappy/mcphub/"}],"tags":["cve.org","exploit-available"],"epss":0.00371,"epssPercentile":0.31199,"ingestedAt":"2026-11-05T19:30:42.650Z","slug":"CVE-2026-120323","body":"## Overview\n\nA security flaw has been discovered in samanhappy MCPHub up to 1.0.45/1.1.7. Impacted is an unknown function of the file src/utils/passthroughHeaders.ts. The manipulation of the argument passthroughHeaders results in information disclosure. The attack may be launched remotely. Upgrading to version 1.1.8 is recommended to address this issue. The patch is identified as 040f7b9ae004070bdfe5084cde6bc2c609f78e76. It is advisable to upgrade the affected component.\n\n## Affected\n\n- `MCPHub 1.0.0`\n- `MCPHub 1.0.1`\n- `MCPHub 1.0.2`\n- `MCPHub 1.0.3`\n- `MCPHub 1.0.4`\n- `MCPHub 1.0.5`\n- `MCPHub 1.0.6`\n- `MCPHub 1.0.7`\n- `MCPHub 1.0.8`\n- `MCPHub 1.0.9`\n- `MCPHub 1.0.10`\n- `MCPHub 1.0.11`\n- `MCPHub 1.0.12`\n- `MCPHub 1.0.13`\n- `MCPHub 1.0.14`\n- `MCPHub 1.0.15`\n- `MCPHub 1.0.16`\n- `MCPHub 1.0.17`\n- `MCPHub 1.0.18`\n- `MCPHub 1.0.19`\n- `MCPHub 1.0.20`\n- `MCPHub 1.0.21`\n- `MCPHub 1.0.22`\n- `MCPHub 1.0.23`\n- `MCPHub 1.0.24`\n- `MCPHub 1.0.25`\n- `MCPHub 1.0.26`\n- `MCPHub 1.0.27`\n- `MCPHub 1.0.28`\n- `MCPHub 1.0.29`\n- `MCPHub 1.0.30`\n- `MCPHub 1.0.31`\n- `MCPHub 1.0.32`\n- `MCPHub 1.0.33`\n- `MCPHub 1.0.34`\n- `MCPHub 1.0.35`\n- `MCPHub 1.0.36`\n- `MCPHub 1.0.37`\n- `MCPHub 1.0.38`\n- `MCPHub 1.0.39`\n- `MCPHub 1.0.40`\n- `MCPHub 1.0.41`\n- `MCPHub 1.0.42`\n- `MCPHub 1.0.43`\n- `MCPHub 1.0.44`\n- `MCPHub 1.0.45`\n- `MCPHub 1.1.0`\n- `MCPHub 1.1.1`\n- `MCPHub 1.1.2`\n- `MCPHub 1.1.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}