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Fencer Intel
medium 5.6

CVE-2025-9262 json

wong2 mcp-cli oAuth provider.js redirectToAuthorization os command injection

published last yr. modified 4mo ago also GHSA-p6rm-483j-37jf , EUVD-2025-25438

cvss
5.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

A flaw has been found in wong2 mcp-cli 1.13.0. Affected is the function redirectToAuthorization of the file /src/oauth/provider.js of the component oAuth Handler. This manipulation causes os command injection. The attack may be initiated remotely. The attack is considered to have high complexity. The exploitability is told to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Patch / fix

Is CVE-2025-9262 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

4.29% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gist.github.com https://gist.github.com/superboy-zjc/a01bd059c4078249d899f8c70c8feb0e referenced PoC, tagged "exploit" by a source, unverified
  • gist.github.com https://gist.github.com/superboy-zjc/a01bd059c4078249d899f8c70c8feb0e#proof-of-concept referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA 3.0 5.6 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA 4.0 2.9 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P
GitHub 3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
npm @wong2/mcp-cli
<=1.13.0
 no fix listed

Affected products

  • wong2 mcp-cli

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Intel 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.