CVEvulnerability
CVE-2026-7168
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2026-05-13
- Last modified
- 2026-09-15
- Assigner
- 2499f714-1537-4658-8207-48ae4bb9eae9
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-294
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`.
Affected configurations
• haxx curl (>= 7.12.0 < 8.20.0)
Related
Weakness · CWE (1)
- CWE-294 Authentication Bypass by Capture-replay weakness
References
- https://curl.se/docs/CVE-2026-7168.html Patch, Vendor Advisory
- https://curl.se/docs/CVE-2026-7168.json Vendor Advisory
- https://hackerone.com/reports/3697719 Exploit, Issue Tracking
- http://www.openwall.com/lists/oss-security/2026/04/29/14 Mailing List, Patch
- https://hackerone.com/reports/3697719 Exploit, Issue Tracking