What is CVE-2026-67183?

CVE-2026-67183 is a high-severity vulnerability in Generalsandman Tinyweb, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2026-07-28.

How severe is CVE-2026-67183?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Generalsandman Tinyweb

CVE-2026-67183

TinyWeb through 0.0.8 contains a memory leak vulnerability that allows unauthenticated attackers to exhaust available memory by sending ordinary well-formed HTTP requests. Each request causes HttpParser::execute() to allocate Url objects…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Generalsandman Tinyweb — versions e48f15d38d2bebeec9cabcfdde81931b10a1963b, 0.0.8

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67183?: CVE-2026-67183 is a high-severity vulnerability in Generalsandman Tinyweb, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2026-07-28.
How severe is CVE-2026-67183?: High severity. CVSS v3 base score is 7.5 out of 10.