CVE-2026-67184
Malformed HTTP version parsing in TinyWeb allows unauthenticated requests to crash worker processes.
Is CVE-2026-67184 being exploited?
Not confirmed. CVE-2026-67184 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.43% probability of exploitation in the next 30 days.
How severe is CVE-2026-67184?
CVE-2026-67184 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-67184?
Not known from our data. No patch reference has been recorded for CVE-2026-67184, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-67184 affect?
CVE-2026-67184 affects TinyWeb <= 0.0.8, Servers running TinyWeb. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-67184?
Block malformed request lines via WAF/nginx, rate-limit, restart affected workers; update TinyWeb when patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attackers can trigger a NULL dereference via malformed HTTP version, causing SIGSEGV and complete server DoS.
Immediate action required
- affected>= e48f15d38d2bebeec9cabcfdde81931b10a1963b and <= a381da252fe8e873c8aff22703040426cc9b2ae0
- affected0.0.8
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.