Is CVE-2026-29042 actively exploited?

No active exploitation of CVE-2026-29042 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-29042 be exploited remotely?

Yes. CVE-2026-29042 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-29042?

CVE-2026-29042 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2026-29042

CRITICAL

CVE-2026-29042

CWE-75Published: March 6, 2026· Updated: Mar 10, 2026

9.8

CVSS v3.1

EPSS:0.33%probability of exploitation in 30 daysPercentile:55.6th

Official Description

Nuclio is a "Serverless" framework for Real-Time Events and Data Processing. Prior to version 1.15.20, the Nuclio Shell Runtime component contains a command injection vulnerability in how it processes user-supplied arguments. When a function is invoked via HTTP, the runtime reads the X-Nuclio-Arguments header and directly incorporates its value into shell commands without any validation or sanitization. This issue has been patched in version 1.15.20.

NVD Source

Technical Analysis

CVE-2026-29042 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.