CVE-2026-11856
PoC —CVSS 3.1
9.8 critical
EPSS
<1%p51
Published
()
Modified
Description
Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest** authentication and then changing the origin to a different one (`hostB`) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the `Authorization:` header field meant for `hostA`, to `hostB`.
- Vendors
- haxx
- Products
- curl
- Weakness
- CWE-294
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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