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A cache confusion vulnerability in Next.js can occur in server-side cached fetch() requests when the request body contains invalid UTF-8 byte sequences. Under these conditions, requests sent to the same URL but with different bodies can be keyed incorrectly in cache handling, causing a response body generated for one request to be returned for a different request. The issue affects server-side fetch caching behavior rather than Pages Router applications, and can result in cross-request response mix-ups involving POST responses and other body-bearing requests.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
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1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.