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CVE-2026-52833 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Nuclio is a "Serverless" framework for Real-Time Events and Data Processing. Prior to version 1.16.5, Nuclio's Java runtime generates a build.gradle file during function builds using Go's text/template package. The template renders runtimeAttributes.repositories[] values with the {{ . }} action, which performs no escaping. An attacker can embed a closing brace (}) to break out of the repositories {} block and append arbitrary Groovy statements that execute unconditionally during the Gradle configuration phase. This issue has been patched in version 1.16.5.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/nuclio/nuclio/security/advisories/GHSA-3v79-m2cg-89ww	CISA-ADP	AdvisoryExploitRemedyVendor
https://github.com/nuclio/nuclio/commit/4c78040c759068e927f3ed7c6507543c15d4ae56	[email protected]	Source CodeVendor
https://github.com/nuclio/nuclio/pull/4149	[email protected]	Issue TrackingVendor
https://github.com/nuclio/nuclio/releases/tag/1.16.5	[email protected]	Release NotesVendor
https://github.com/nuclio/nuclio/security/advisories/GHSA-3v79-m2cg-89ww	[email protected]	AdvisoryExploitRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-94	Improper Control of Generation of Code ('Code Injection')	[email protected]

Affected Products

Product	Versions
Nuclio	<= 1.15.27 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 1.16.5moderate effort Workaround:low effort Enable authentication on the Dashboard by setting NUCLIO_AUTH_KIND to a non-NOP authenticator (e.g., iguazio). Workaround:low effort Restrict network access to the Dashboard port (8070) so that only trusted internal networks or VPNs can access it. Do not expose the Dashboard to the public internet. Workaround:low effort Disable Java runtime support if it is not in use by removing the Java runtime handler from the dashboard deployment configuration. Workaround:low effort Use kaniko instead of docker for builds. In kaniko mode, the Docker socket is not mounted, reducing the impact of the build-time RCE to the build pod.

Product

Versions

Nuclio

<= 1.15.27 (semver)

CPE

No CPEs found in CPE dictionary for this product.

Remediation

Upgrade: 1.16.5moderate effort
Workaround:low effort
Enable authentication on the Dashboard by setting NUCLIO_AUTH_KIND to a non-NOP authenticator (e.g., iguazio).
Workaround:low effort
Restrict network access to the Dashboard port (8070) so that only trusted internal networks or VPNs can access it. Do not expose the Dashboard to the public internet.
Workaround:low effort
Disable Java runtime support if it is not in use by removing the Java runtime handler from the dashboard deployment configuration.
Workaround:low effort
Use kaniko instead of docker for builds. In kaniko mode, the Docker socket is not mounted, reducing the impact of the build-time RCE to the build pod.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 2, 2026	CVE Modified	CISA-ADP
Sep 2, 2026	New CVE Received	[email protected]