CVEvulnerability
CVE-2026-8286
8.1 HIGH
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)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-295
Description
A vulnerability exists where a new transfer that uses STARTTLS to upgrade the
connection might reuse an existing live connection even though the TLS
configuration mismatches so it should not.
Affected configurations
• haxx curl (>= 7.30.0 < 8.21.0)
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- https://curl.se/docs/CVE-2026-8286.html Patch, Vendor Advisory
- https://curl.se/docs/CVE-2026-8286.json Vendor Advisory
- https://hackerone.com/reports/3718195 Exploit, Issue Tracking, Third Party Advisory
- https://hackerone.com/reports/3718195 Exploit, Issue Tracking, Third Party Advisory