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Fencer Vulns
low 3.5

CVE-2026-10264 json

lharries whatsapp-mcp Send API Endpoint main.go SendMessageRequest path traversal

published 2026-06-01 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33646

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

A vulnerability was determined in lharries whatsapp-mcp 0.0.1. Affected by this vulnerability is the function SendMessageRequest of the file whatsapp-bridge/main.go of the component Send API Endpoint. This manipulation of the argument mediaPath causes path traversal. The exploit has been publicly disclosed and may be utilized. Patch name: 6657cdceadd361e8fbe824afe9d00b4504009a5d. It is recommended to apply a patch to fix this issue.

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/lharries/whatsapp-mcp/issues/241 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.1 CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA 3.1 3.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CNA 3.0 3.5 CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
CNA 2.0 2.7 AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C
CNA 4.0 2.0 CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 3.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 2.0 2.7 AV:A/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • lharries whatsapp-mcp

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.