CVE-2026-26286 describes a Server-Side Request Forgery (SSRF) vulnerability in SillyTavern versions prior to 1.16.0, a locally installed user interface for interacting with AI models. This high-severity vulnerability (CVSS 8.5) allows authenticated attackers to make arbitrary HTTP requests from the server, potentially accessing internal services, cloud metadata, and private network resources. While no active exploitation or public exploit code is currently reported, the vulnerability has been patched in version 1.16.0 through a whitelisting mechanism. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.16.0CPE matchmatch criteria | cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.