CVE-2026-27156 is a cross-site scripting (XSS) vulnerability affecting NiceGUI, a Python UI framework, in versions prior to 3.8.0. It arises from the improper use of `eval()` and string interpolation in several API methods, allowing attackers to inject arbitrary JavaScript when user-controlled input is used as method names. The vulnerability has a CVSS score of 6.1 (Medium), indicating a network-based attack requiring user interaction, with potential for low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.8.0CPE matchmatch criteria | cpe:2.3:a:zauberzeug:nicegui:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.