CVE-2026-78166Public exploitNetwork attack vector

Authenticated command execution via unguarded Groovy filter

Published Aug 24, 2026 · Updated Aug 24, 2026

Code injection in Provectus Kafka UI 0.7.0 through 0.7.2 allows remote authenticated users to execute operating system commands. The executeSmartFilterTest method sends attacker-controlled filterCode to the Groovy engine without checking filtering.groovy.enabled. Any authenticated account can reach the test endpoint even when Groovy filtering is disabled, exposing files and services available to the Kafka UI process.

CVSS severityUnavailable
Unscored
EPSS probability0.30%
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 Provectus Kafka UI 0.7.0 through 0.7.2 allows remote authenticated users to execute operating system commands. The executeSmartFilterTest method sends attacker-controlled filterCode to the Groovy engine without checking filtering.groovy.enabled. Any authenticated account can reach the test endpoint even when Groovy filtering is disabled, exposing files and services available to the Kafka UI process.

The record

CVE
CVE-2026-78166
Published
Aug 24, 2026
Updated
Aug 24, 2026
Vendor
Provectus
Product
Kafka UI
Classifications
CWE-74, CWE-94, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 24, 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=0.7.0
  2. Affected versionversion=0.7.1
  3. Affected versionversion=0.7.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Provectus · Kafka UIversion=0.7.0; version=0.7.1; version=0.7.2

Published CVSS scores

5.3VulDB CNACVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3VulDB CNACVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5VulDB CNAAV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1059Command and Scripting Interpreter

Public exploit references

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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