CVE-2025-14524

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

08/01/2026

Last modified:

09/01/2026

Description

When an OAuth2 bearer token is used for an HTTP(S) transfer, and that transfer<br /> performs a cross-protocol redirect to a second URL that uses an IMAP, LDAP,<br /> POP3 or SMTP scheme, curl might wrongly pass on the bearer token to the new<br /> target host.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

5.30

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://curl.se/docs/CVE-2025-14524.html
https://curl.se/docs/CVE-2025-14524.json
https://hackerone.com/reports/3459417
http://www.openwall.com/lists/oss-security/2026/01/07/4