CVE-2026-93682
MediumCVSS 5.8Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
When the HTTP stream wrapper follows a redirect and the response carries a Location header with an empty value, the redirect code reads one byte past the end of the heap buffer holding the location. The value of that out-of-bounds byte decides which redirect target is built, so a malicious server controls whether the client is sent to the host root or to the current directory.
Risk Assessment
A malicious server can manipulate redirects, directing the client to unexpected locations, potentially leading to data leakage or unauthorized actions.
Recommendation
It is recommended to update the component responsible for handling HTTP redirects to a version that correctly handles empty Location headers.
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Original NVD description (English source)
When the HTTP stream wrapper follows a redirect and the response carries a Location header with an empty value, the redirect code reads one byte past the end of the heap buffer holding the location. The value of that out-of-bounds byte decides which redirect target is built, so a malicious server controls whether the client is sent to the host root or to the current directory.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS