CVE-2026-6179Network attack vector

Stored script execution via undisclosed input handling

Published Apr 13, 2026 · Updated Apr 13, 2026

Stored cross-site scripting in FPT Software NightWolf 2.1.5 allows remote authenticated users to run scripts in other users' browsers. FPT Software has not disclosed which input stores the payload or which rendering path outputs it without neutralization. Low-privileged account access is required, and the script receives the affected user's browser-origin access when the stored content is rendered.

CVSS severity6.3
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in FPT Software NightWolf 2.1.5 allows remote authenticated users to run scripts in other users' browsers. FPT Software has not disclosed which input stores the payload or which rendering path outputs it without neutralization. Low-privileged account access is required, and the script receives the affected user's browser-origin access when the stored content is rendered.

The record

CVE
CVE-2026-6179
Published
Apr 13, 2026
Updated
Apr 13, 2026
Vendor
FPT Software
Product
NightWolf Penetration Testing Platform
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 13, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.1.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

FPT Software · NightWolf Penetration Testing Platformversion=2.1.5

Published CVSS scores

6.3FPT SoftwareCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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