Rapid7 InsightConnect Sed Plugin up to 2.0.4 on Linux expression path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k1.81-

Summaryinfo

A vulnerability was found in Rapid7 InsightConnect Sed Plugin up to 2.0.4 on Linux. It has been declared as critical. This vulnerability affects unknown code. The manipulation of the argument expression results in path traversal. This vulnerability is identified as CVE-2026-9154. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Rapid7 InsightConnect Sed Plugin up to 2.0.4 on Linux. It has been classified as critical. Affected is some unknown processing. The manipulation of the argument expression with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability. CVE summarizes:

Arbitrary File Write vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers to write attacker-controlled content to arbitrary file paths via the expression parameter.

The weakness was released by Sebastián Alba Vives. The advisory is shared for download at extensions.rapid7.com. This vulnerability is traded as CVE-2026-9154 since 05/21/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 2.0.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-39154). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.1
CNA Vector (rapid7): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: InsightConnect Sed Plugin 2.0.5

Timelineinfo

05/21/2026 CVE reserved
06/25/2026 +35 days Advisory disclosed
06/25/2026 +0 days VulDB entry created
06/25/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: extensions.rapid7.com
Researcher: Sebastián Alba Vives
Status: Confirmed

CVE: CVE-2026-9154 (🔒)
GCVE (CVE): GCVE-0-2026-9154
GCVE (VulDB): GCVE-100-373596
EUVD: 🔒

Entryinfo

Created: 06/25/2026 06:10
Updated: 06/25/2026 07:45
Changes: 06/25/2026 06:10 (66), 06/25/2026 07:45 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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