UNKNOWNCVSS not yet scoredVulnerability
CVE-2026-86409
Setting `CURLOPT_AWS_SIGV4` to NULL but does not disable SigV4 authentication, contrary to expectations and documentation. A subsequent transfer on the same handle still sends an `Authorization: AWS4-HMAC-SHA256` header to whatever URL isset next, leaking state information.
Properties
- Last source
- NVD
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Cve id
- CVE-2026-86409
- First seen by Signal
- 2026-10-20T21:15:35+00:00
- Retrieved at
- 2026-10-20T21:15:35+00:00
- Published at
- 2026-10-20T20:17:25.223
- Last modified
- 2026-10-20T20:17:25.223
Explore deeper with Ninja Signal's threat intelligence graph