CVE-2026-27613 is a critical vulnerability affecting TinyWeb web server versions prior to 2.01, allowing unauthenticated remote attackers to bypass CGI parameter security controls. This flaw can lead to source code disclosure or remote code execution, particularly impacting servers hosting CGI scripts in interpreted languages like PHP. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity, posing a high risk to confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.01CPE matchmatch criteria | cpe:2.3:a:ritlabs:tinyweb:*:*:*:*:*:*:*:* |
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:H/SI:H/SA:H/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, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.