Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2025-10966

CVE-2025-10966MEDIUM

curl curl — missing SFTP host verification with wolfSSH

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   N  U  L  N  N    4.3   .0040   31.8     —

AFFECTED
  Product  Versions                                    Fixed
  curl     7.69.0 –                                    —
  curl     6773c7ca65cf2183295e56603f9b86a5ce816a06 –  —
  curl     8.16.0 –                                    —

TIMELINE
  Sep 25  Reserved by curl
  Nov 7   Published (CNA: curl)
  Sep 15  EXPLOIT PUBLISHED — CVE-2025-10966 (curl). Public exploit reference added.

CWE-322 · CNA: curl · CVSS v3.1 · 5 references · NVD status: Modified

Description

curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms. This prevents curl from detecting MITM attackers and more.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 25, 2025	Reserved	Reserved by curl
November 7, 2025	Published	Published (CNA: curl)
September 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2025-10966 (curl). Public exploit reference added.

Affected

Affected products and packages — 3 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
curl	curl	—	7.69.0	—
curl	curl	—	6773c7ca65cf2183295e56603f9b86a5ce816a06	—
curl	curl	—	8.16.0	—

Weaknesses

CWE-322

References (5)

http://www.openwall.com/lists/oss-security/2025/11/05/2 [Mailing List, Patch, Third Party Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-253495.html
https://curl.se/docs/CVE-2025-10966.html [Patch, Vendor Advisory]
https://curl.se/docs/CVE-2025-10966.json [Vendor Advisory]
https://hackerone.com/reports/3355218 [Exploit, Issue Tracking, Third Party Advisory]

Authoritative record: CVE-2025-10966 at cve.org

Vendors: curl

Weaknesses: CWE-322

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-10966 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.