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CVE-2026-115805high7.8

Rapid7 Insight Agent Local Privilege Escalation via Shell Injection in mcp.json Configuration Path

Impact

Rapid7 Insight Agent versions before 4.1.4.43 on Linux and macOS may allow local users to gain elevated privileges via shell injection in the mcp.json configuration path, requiring existing local access. The weakness is due to improper handling of local filesystem paths. Exploitation depends on the Agent's inventory collection processing the crafted path.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.
Applies when

Exploitation requires existing local access and depends on the Agent's inventory collection processing the crafted path.

What to do

Update Rapid7 Insight Agent to version 4.1.4.43 or later.

rapid7 guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Rapid7 · rapid7

Insight Agent

1 range
rapid7 version evidence
Platforms: MacOS, Linux

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 4.1.4.43

semver versions

unaffected

unknown

Other versions: unaffected

Original source description

Improper handling of local filesystem paths in Rapid7 Insight Agent on Linux and macOS may allow authenticated local users to gain elevated privileges. Exploitation requires existing local access and depends on the Agent's inventory collection processing the crafted path.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-115805

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-78 ↗

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

rapid7

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

rapid7 · platform conditions

Any condition may hold

Any condition may hold

Vulnerable product

cpe:2.3:a:rapid7:insight_agent:*:*:macos:*:*:*:*:*

From (inclusive): 0

Before: 4.1.4.43

Vulnerable product

cpe:2.3:a:rapid7:insight_agent:*:*:linux:*:*:*:*:*

From (inclusive): 0

Before: 4.1.4.43

Original applicability statements
[
  {
    "operator": "OR",
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:rapid7:insight_agent:*:*:macos:*:*:*:*:*",
            "versionStartIncluding": "0",
            "versionEndExcluding": "4.1.4.43"
          },
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:rapid7:insight_agent:*:*:linux:*:*:*:*:*",
            "versionStartIncluding": "0",
            "versionEndExcluding": "4.1.4.43"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 2
rapid7

Assigning organization

2026-10-29
CISA-ADP

Additional data publisher

2026-10-30

What changed

Follow changes
  1. CVE · CVE-2026-115805

    Observed 2026-10-30T19:26:34.690Z · upstream updated 2026-10-30T17:18:24.014Z

    Prioritization updated

    before

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-29T00:00:00+00:00",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-30T03:56:44.353245Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]
  2. CVE · CVE-2026-115805

    Observed 2026-10-30T04:12:21.942Z · upstream updated 2026-10-30T03:56:43.908Z

    Prioritization updated

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-29T00:00:00+00:00",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

References

1 sources
docs.rapid7.com/insight/release-notes-2026-october/
Release notesrapid7