Medium severity5.3NVD Advisory· Published May 13, 2026· Updated Jun 17, 2026
CVE-2026-7168
CVE-2026-7168
Description
Successfully using libcurl to do a transfer over a specific HTTP proxy (proxyA) with Digest authentication and then changing the proxy host to a second one (proxyB) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to proxyB.
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Affected products
2Patches
Vulnerability mechanics
References
4- www.openwall.com/lists/oss-security/2026/04/29/14nvdMailing ListPatch
- curl.se/docs/CVE-2026-7168.htmlnvdPatchVendor Advisory
- hackerone.com/reports/3697719nvdExploitIssue Tracking
- curl.se/docs/CVE-2026-7168.jsonnvdVendor Advisory
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