Frequency
2
occurrences
First Seen
August 9, 2026
Last Seen
August 11, 2026
Exploited in Wild
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Ransomware Use
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Public Exploits
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Attack Vector
—
Vulnerability Overview
Exploitation Activity
Exploitation Intelligence
A critical vulnerability (CVE-2026-58055) affecting the nghttp2 package in Fedora 43 and 44 was disclosed, allowing HTTP request/response smuggling and response-queue poisoning via ambiguous HTTP/1.1 Upgrade requests. This vulnerability impacts systems running the HTTP/2 client, server, and proxy pr...
Public Exploits
Checking GitHub for proof-of-concept code…
