CVE-2025-10966

missing SFTP host verification with wolfSSH

CVE-2025-10966 is fixed in 10 products on 1 platform, first by DEBIAN-CVE-2025-10966, released November 7, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

6.8

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0043

37th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
curl · Debian 14	8.17.0~rc2-1	DEBIAN-CVE-2025-10966	Nov 7, 2025
curl · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
curl-debuginfo · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
curl-debugsource · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
curl-minimal · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
curl-minimal-debuginfo · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
libcurl · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
libcurl-debuginfo · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
libcurl-devel · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
libcurl-minimal · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026
libcurl-minimal-debuginfo · amzn 2023	8.15.0-4.amzn2023.0.1	ALAS2023-2025-1351	Jan 7, 2026

Details

Published
November 7, 2025
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-10966

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