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Fencer Intel
high 7.8

CVE-2026-115805 json

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

published 11d ago modified 10d ago also EUVD-2026-113221

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

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.

Patch / fix

  • Rapid7 Insight Agent 4.1.4.43

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
10d ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Rapid7 Insight Agent

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS 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.