CVE-2026-29042 is a critical command injection vulnerability affecting the Nuclio Shell Runtime component in versions prior to 1.15.20. It allows unauthenticated attackers to execute arbitrary commands by manipulating the X-Nuclio-Arguments HTTP header during function invocation, as the runtime directly incorporates this user-supplied input without validation. This vulnerability carries a high CVSS score of 8.9, indicating a severe risk with low attack complexity and high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.15.20CPE matchmatch criteria | cpe:2.3:a:iguazio:nuclio:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.