CVE-2025-67750

Arbitrary JavaScript execution via APIVersion expression evaluation

Published Dec 12, 2025 · Updated Dec 12, 2025

Code injection in Flow-Scanner Lightning Flow Scanner before 6.10.6 allows attackers to execute arbitrary JavaScript during a local scan. The APIVersion rule concatenates a flow API version with an untrusted rule expression and passes the resulting string to new Function() for evaluation. Processing attacker-controlled flow metadata or rule configuration executes the expression with the scanner's privileges, exposing developer workstations, editor sessions, and CI runners.

CVSS severity8.4
High
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Flow-Scanner Lightning Flow Scanner before 6.10.6 allows attackers to execute arbitrary JavaScript during a local scan. The APIVersion rule concatenates a flow API version with an untrusted rule expression and passes the resulting string to new Function() for evaluation. Processing attacker-controlled flow metadata or rule configuration executes the expression with the scanner's privileges, exposing developer workstations, editor sessions, and CI runners.

The record

CVE
CVE-2025-67750
Published
Dec 12, 2025
Updated
Dec 12, 2025
Vendor
Flow-Scanner
Product
Lightning Flow Scanner
Classifications
CWE-94, T1059.007
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 12, 2025Record 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=< 6.10.6

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Flow-Scanner · Lightning Flow Scannerversion=< 6.10.6

Published CVSS scores

8.4GitHubCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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No observations available

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

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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