Y2
Public vulnerability disclosure

CVE-2026-120323

samanhappy MCPHub passthroughHeaders.ts information disclosure

publishedCWE-200CWE-284

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 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.

Investigate in Cyber JSONMarkdown
Technical severity5.3 mediumCVSS 4.0 · CNA: VulDB
Published2026-11-02Source updated 2026-11-02
Collected2026-11-021 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

ProductVersionsAuthority
MCPHub
samanhappy 		1.0.0 (affected)
1.0.1 (affected)
1.0.2 (affected)
1.0.3 (affected)
1.0.4 (affected)
1.0.5 (affected)
1.0.6 (affected)
1.0.7 (affected)
1.0.8 (affected)
1.0.9 (affected)
1.0.10 (affected)
1.0.11 (affected)
1.0.12 (affected)
1.0.13 (affected)
1.0.14 (affected)
1.0.15 (affected)
1.0.16 (affected)
1.0.17 (affected)
1.0.18 (affected)
1.0.19 (affected)
1.0.20 (affected)
1.0.21 (affected)
1.0.22 (affected)
1.0.23 (affected)
1.0.24 (affected)
1.0.25 (affected)
1.0.26 (affected)
1.0.27 (affected)
1.0.28 (affected)
1.0.29 (affected)
1.0.30 (affected)
1.0.31 (affected)
1.0.32 (affected)
1.0.33 (affected)
1.0.34 (affected)
1.0.35 (affected)
1.0.36 (affected)
1.0.37 (affected)
1.0.38 (affected)
1.0.39 (affected)
1.0.40 (affected)
1.0.41 (affected)
1.0.42 (affected)
1.0.43 (affected)
1.0.44 (affected)
1.0.45 (affected)
1.1.0 (affected)
1.1.1 (affected)
1.1.2 (affected)
1.1.3 (affected)
1.1.4 (affected)
1.1.5 (affected)
1.1.6 (affected)
1.1.7 (affected)
1.1.8 (unaffected) 		CNA: VulDB

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

Version / scoreVectorAuthority
4.0 / 5.3
medium		 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:XCNA: VulDB
3.1 / 4.3
medium		 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:CCNA: VulDB
3.0 / 4.3
medium		 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:CCNA: VulDB
2.0 / 5.0
medium		 AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:CCNA: VulDB

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References