Public proof of conceptFix available

CVE-2026-2178

r-huijts xcode-mcp-server run_lldb index.ts registerXcodeTools command injection

A public proof of concept exists; no exploitation attested.

Published2026-02-08
WeaknessCWE-74 · CWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was found in r-huijts xcode-mcp-server up to f3419f00117aa9949e326f78cc940166c88f18cb. This affects the function registerXcodeTools of the file src/tools/xcode/index.ts of the component run_lldb. The manipulation of the argument args results in command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The patch is identified as 11f8d6bacadd153beee649f92a78a9dad761f56f. Applying a patch is advised to resolve this issue.

Timeline

dates in UTC

2026-02-0819:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-2178?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-2178?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

R-huijts xcode mcp server

Branch	Affected	Fixed in	Source
2025.x	≤ 2025-08-26	no fix published	NVD

xcode-mcp-server

Branch	Affected	Fixed in	Source
1.0	≤ 1.0.3	no fix published	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

github.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionpoc2026-02-09
OpenCVESSVC decisionpoc—
CNACVSS 4.02.1read 2026-10-23
CNACVSS 3.16.3read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
CNACVSS 2.06.5read 2026-10-23
CNAweakness (CWE)CWE-74, CWE-77read 2026-10-23
NVDweakness (CWE)CWE-77read 2026-10-23
FIRST EPSSEPSS score3.8 %2026-10-22
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
Published: 2026-02-08
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2026-2178?

Is CVE-2026-2178 actively exploited?

A proof-of-concept exploit exists for CVE-2026-2178, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-2178?

CVE-2026-2178 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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