CVE-2025-15224
libssh key passphrase bypass without agent set
Description
When doing SSH-based transfers using either SCP or SFTP, and asked to do public key authentication, curl would wrongly still ask and authenticate using a locally running SSH agent.
INFO
Published Date :
Jan. 8, 2026, 10:15 a.m.
Last Modified :
Jan. 8, 2026, 6:08 p.m.
Remotely Exploit :
Yes !
Source :
2499f714-1537-4658-8207-48ae4bb9eae9
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Configure SSH client to disable agent forwarding.
- Ensure SCP and SFTP use specific private keys.
- Avoid using the SSH agent for these transfers.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-15224.
| URL | Resource |
|---|---|
| https://curl.se/docs/CVE-2025-15224.html | |
| https://curl.se/docs/CVE-2025-15224.json | |
| https://hackerone.com/reports/3480925 | |
| http://www.openwall.com/lists/oss-security/2026/01/07/7 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-15224 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-15224
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-15224 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-15224 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N Added CWE CWE-287 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jan. 08, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/01/07/7 -
New CVE Received by 2499f714-1537-4658-8207-48ae4bb9eae9
Jan. 08, 2026
Action Type Old Value New Value Added Description When doing SSH-based transfers using either SCP or SFTP, and asked to do public key authentication, curl would wrongly still ask and authenticate using a locally running SSH agent. Added Reference https://curl.se/docs/CVE-2025-15224.html Added Reference https://curl.se/docs/CVE-2025-15224.json Added Reference https://hackerone.com/reports/3480925