Vulnerability Details CVE-2026-9079
libcurl had a flaw that when instructed to clear proxy authentication
credentials which made it not do so, leaving the old credentials around to get
used for subsequent transfers that should not know nor use them.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 50.6%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-9079
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cpe:2.3:a:haxx:curl:8.10.0
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cpe:2.3:a:haxx:curl:8.10.1
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cpe:2.3:a:haxx:curl:8.11.0
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cpe:2.3:a:haxx:curl:8.11.1
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cpe:2.3:a:haxx:curl:8.12.0
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cpe:2.3:a:haxx:curl:8.12.1
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cpe:2.3:a:haxx:curl:8.13.0
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cpe:2.3:a:haxx:curl:8.14.0
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cpe:2.3:a:haxx:curl:8.14.1
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cpe:2.3:a:haxx:curl:8.15.0
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cpe:2.3:a:haxx:curl:8.16.0
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cpe:2.3:a:haxx:curl:8.17.0
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cpe:2.3:a:haxx:curl:8.18.0
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cpe:2.3:a:haxx:curl:8.8.0
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cpe:2.3:a:haxx:curl:8.9.0
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cpe:2.3:a:haxx:curl:8.9.1