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CVE-2023-26049 is an improper syntactic validation flaw in Eclipse Jetty cookie parsing. When a cookie value begins with a double quote, affected Jetty versions continue parsing until a closing quote, treating embedded semicolons as part of that value rather than cookie delimiters. A crafted Cookie header can therefore cause multiple logical cookies to be interpreted as one quoted cookie value. This enables cookie smuggling, can produce application-specific unintended behavior, and can expose values from otherwise separate cookies when the receiving application renders or otherwise discloses the attacker-controlled cookie value.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A cookie-parsing flaw in Puppet Server/Jetty in which quoted cookie values can expose values from other cookies.
Jetty Server cookie-parsing vulnerability that can exfiltrate values from other cookies.
Jetty cookie-parsing vulnerability that may permit cookie smuggling and exfiltration of values from other cookies.
A Jetty Server cookie-parsing flaw where quoted cookie values can exfiltrate values from other cookies.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.