CVEvulnerability
CVE-2026-9079
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2026-07-03
- Last modified
- 2026-09-15
- Assigner
- 2499f714-1537-4658-8207-48ae4bb9eae9
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-522
Description
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.
Affected configurations
• haxx curl (>= 8.8.0 < 8.21.0)
Related
Weakness · CWE (1)
- CWE-522 Insufficiently Protected Credentials weakness
References
- https://curl.se/docs/CVE-2026-9079.html Patch, Vendor Advisory
- https://curl.se/docs/CVE-2026-9079.json Vendor Advisory
- https://hackerone.com/reports/3750295 Exploit, Issue Tracking, Third Party Advisory
- https://hackerone.com/reports/3750295 Exploit, Issue Tracking, Third Party Advisory