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WebMap EUVDEUVD-2026-78229

| CVE-2026-90843 MEDIUM
OS Command Injection (CWE-78)
2026-09-15 VulDB GHSA-pp25-fxhh-fhqj
5.5
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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
vuln.today AI
10.0 CRITICAL

Unauthenticated network-reachable OS command injection yields full host command execution, warranting C:H/I:H/A:H with scope change out of the web app.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Sep 15, 2026 - 07:37 vuln.today
CVSS changed
Sep 15, 2026 - 01:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
CVE Published
Sep 15, 2026 - 00:00 cve.org
MEDIUM 5.5

DescriptionCVE.org

A security vulnerability has been detected in SabyasachiRana WebMap up to 8b95fe4dc301a3c09ddf145b895de0bf9f8d2a25. This affects the function nmap_newscan of the file functions_nmap.py of the component New Nmap Scan Handler. Such manipulation of the argument target/params leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The name of the patch is 3d52f65803a2716bff14d938352c6fef45b0cfb6. A patch should be applied to remediate this issue. This issue got fixed with a silent patch.

AnalysisAI

OS command injection in SabyasachiRana WebMap's nmap_newscan() function permits remote attackers to execute arbitrary shell commands by injecting metacharacters through the unsanitized target and params arguments in the New Nmap Scan Handler (functions_nmap.py). All repository commits up to 8b95fe4dc301a3c09ddf145b895de0bf9f8d2a25 are affected, and the flaw is exploitable without authentication per the CVSS PR:N vector. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Requires network access to the WebMap web interface (HTTP). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) indicates trivially exploitable, unauthenticated remote access with no special attack conditions, which aligns with the nature of a web-based command injection in a tool that may lack built-in authentication. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the WebMap installation to a commit at or after 3d52f65803a2716bff14d938352c6fef45b0cfb6, which introduces input sanitization in the nmap_newscan() function (https://github.com/SabyasachiRana/WebMap/commit/3d52f65803a2716bff14d938352c6fef45b0cfb6). … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-78229 vulnerability details – vuln.today

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