CVE-2026-28497 is a critical integer overflow vulnerability in TinyWeb web server versions prior to 2.03. This flaw allows unauthenticated remote attackers to bypass Content-Length restrictions through HTTP Request Smuggling, leading to unauthorized access, security filter bypass, and potential cache poisoning, especially on servers using persistent connections. With a CVSS score of 9.3 (Critical), it has a low attack complexity and requires no user interaction. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.03CPE 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: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, 0.1 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.
Remediation records are not available for this CVE.